Catalog: Angular Contact Ball Bearings for Radial Loads | |
| ntn main spindle bearings main spindle bearings 9 angular contact ball bearings for ... radial loads contents 9 angular contact ball bearings for radial loads 56 213 q ... and standard preload of duplex angular contact ball bearings 62 y recommended fit for ... angular contact ball bearings 68 u duplex angular contact ball ... bearings 68 i duplex arrangement codes of duplex ... angular contact ball bearings 69 o flush grinding and universal ... matching 69 !0 angular contact ball bearings with ceramic balls 70 !1 operating life ... of bearings with ceramic balls 71 !2 recommended lubrication ... specifications 72 !3 standard angular contact ball bearings 79u and 70u types 73 !4 ... | |
| ntn main spindle bearings 9 angular contact ball bearings for radial loads angular ... contact ball bearings for radial loads used in machine tools ... are bearings which inner and outer rings cannot be ... hse0 bns9 bns0 bnt9 bnt0 and bnt2 for angular contact ball bearings an imaginary ... straight line connecting the contact points between the balls and inner and ... angle with the radial axis the optimal contact angle can be selected to meet ... speed or high rigidity the available contact angles are 15° contact angle symbol c ... 25° ad and 30° no symbol fig 9.1 contact angle high-speed angular contact ball ... bearings hse type high-speed angular contact bearings are available in two types ... | |
| ntn main spindle bearings eco-friendly air-oil lubricated angular ... ball bearings hsl and hsfl types for eco-friendly air ... -oil lubricated angular contact ball bearings hsl and hsfl types the angle of the ... of hse and hsf types in addition these angular contact ball bearings are dedicated to ... 5 or better for the hsl type three contact angles [15° contact angle symbol c 20 ... for the hsfl type however only one contact angle 25° is available the hsfl type ... designed eco-friendly nozzle sealed bearings standard grease-lubricated sealed ... angular contact ball bearings 79llb/70llb types the standard grease- ... lubricated sealed angular contact ball bearings are available in 79 and 70 series non- ... | |
| ntn main spindle bearings 2 standard cage design table 9.1 ... standard cages of angular contact ball bearings for radial loads bearing series 78c 79u ... without notice for detailed information contact ntn engineering 3 bearing designations ... l1 machined high tensile brass cage contact angle code c 15° ad 25° no symbol 20° ... | |
| ntn main spindle bearings hse type 5s 2la-hse 0 20 t2 ad db /gl ... p4 contact angle code c 15° ad 25° no symbol 20° ... /gl p4 +tkz spacer code located beside bearings spacer code located between bearings ... eco friendly nozzle located between bearings tkz eco-friendly nozzle or spacer with ... eco friendly nozzle located beside bearings 79cd ad 70cd ad type 5s 7006 cd llb db ... class 2 bearing type ultage series cd contact angle 15 ad contact angle 25 bns type ... special grease mp-1 seal code llb non-contact rubber seal on both sides bearing type ... | |
| ntn main spindle bearings 4 bearing accuracy table 9.2 inner ... bearing rings manufactured for duplex bearings table 9.3 outer rings nominal outside ... | |
| ntn main spindle bearings unit face runout with bore sd axial ... | |
| ntn main spindle bearings 5 internal clearance and standard ... preload of duplex angular contact ball bearings the initial internal clearance or ... preload for duplex angular contact ball bearings is determined with consideration for ... for operation when using a duplex angular contact ball bearing on the main ... gl 0 to positive clearance for duplex angular contact ball bearings ntn recommends ... your application when ordering a duplex angular ball bearing please specify the desired ... clearances standard preloads of angular contact ball bearings db and df ... arrangements table 9.5 standard angular contact ball bearings 78c type unit n nominal ... 130 140 150 160 170 light preload gl contact angle 15° 78xxc normal preload medium ... | |
| ntn main spindle bearings table 9.6 standard angular contact ball ... bearings 79 series nominal bore diameter d 10 12 ... 70 75 80 85 90 95 100 105 110 120 130 contact angle 15° contact angle 25° contact ... | |
| ntn main spindle bearings table 9.7 standard angular contact ball ... bearings 70 series nominal bore diameter d 10 12 ... 70 75 80 85 90 95 100 105 110 120 130 contact angle 15° contact angle 25° contact ... 2 450 3 450 3 450 table 9.8 standard angular contact ball bearings 72c series unit n ... 95 100 105 110 120 130 light preload gl contact angle 15° 72xxc normal preload medium ... | |
| ntn main spindle bearings table 9.9 high-speed angular contact ... ball bearings hse9 series nominal bore diameter d 50 ... 95 100 105 110 120 130 140 150 160 170 contact angle 15° contact angle 20° contact ... 1 960 2 000 2 040 table 9.10 high-speed angular contact ball bearings hse0 series ... 95 100 105 110 120 130 140 150 160 170 contact angle 15° contact angle 20° contact ... | |
| ntn main spindle bearings table 9.11 eco-friendly air-oil ... lubricated angular contact ball bearings hsl9 series nominal bore diameter d 50 ... 70 75 80 85 90 95 100 105 110 120 130 contact angle 15° contact angle 20° contact ... 9.12 eco-friendly air-oil lubricated angular contact ball bearings hsl0 series ... 70 75 80 85 90 95 100 105 110 120 130 contact angle 15° contact angle 20° contact ... table 9.13 grease-lubricated sealed angular contact ball bearings 79cd and ad ... d 10 12 15 17 20 25 30 35 40 45 50 contact angle 15° contact angle 25° table 9.14 ... grease-lubricated sealed angular contact ball bearings 70cd and ad series unit n ... d 10 12 15 17 20 25 30 35 40 45 50 contact angle 15° contact angle 25° 79xxcd/5s- ... | |
| ntn main spindle bearings table 9.15 high-speed grease-lubricated ... sealed angular contact ball bearings bns9 series nominal bore diameter d 50 ... 70 75 80 85 90 95 100 light preload gl contact angle 15° normal preload medium preload ... gn gm light preload gl contact angle 20° normal preload medium preload ... gn gm light preload gl contact angle 25° unit n normal preload medium ... .16 high-speed grease-lubricated sealed angular contact ball bearings bns0 series ... d 45 50 55 60 65 70 75 80 85 90 95 100 contact angle 15° contact angle 20° contact ... 240 1 270 table 9.17 high-speed sealed angular contact ball bearings bnt9 series unit ... n nominal bore diameter d contact angle 15° table 9.18 high-speed sealed ... angular contact ball bearings bnt0 series unit n nominal bore ... | |
| ntn main spindle bearings 6 recommended fit for angular contact ... ball bearings if the dmn value is in the range of dmn ... to ensure high accuracies of precision bearings if the dmn value is in the range of dmn ... by centrifugal force in this case contact ntn engineering for the recommended fit ... of jacket for technical assistance contact ntn engineering 7 duplex angular ... contact ball bearings duplex angular contact ball bearings can be combined in rows ... of two three or four bearings to accommodate required specifications ... of machining centers each duplex angular contact ball bearing is manufactured as ... for this reason combine only duplex bearings of the same product number table 9.20 ... the amount of interference in this case contact ntn engineering for technical ... | |
| ntn main spindle bearings 8 duplex arrangement codes for angular ... contact ball bearings each duplex ball bearing has a product number and duplex ... code etched on its side face on angular contact ball bearing sets of three or ... align the mark when assembling the bearings note that duplex angular contact ball ... 9 flush grinding and universal matching angular contact ball bearings are often ... rows of two or more when combining many bearings it is important to control the ... accuracies of the bearings and to align their face heights in a ... but it is possible only if the combined bearings have the same clearance/preload symbols ... bnt series 0 series and 2 series bearings designed for main spindles of machine ... tools and for 2a-bst thrust angular contact ball bearings designed to support ... | |
| ntn main spindle bearings !0 angular contact ball bearings with ceramic balls ... to operate at much higher speeds bearings for main spindles therefore must meet ... of ceramic material the features of angular contact ball bearings with ceramic ... balls are described below limited temperature ... that of bearing steel in addition the ball diameter of 5s-hse type is smaller than ... 70 type for this reason use of ceramic balls greatly reduces the influence of ... centrifugal force ball sliding and spinning caused by gyratory ... moment as a result these angular contact ball bearings inhibit temperature ... of bearing steel the rigidity of these angular contact ball bearings is therefore ... properties between ceramic and steel balls item density g/cm3 young s modulus gpa ... | |
| ntn main spindle bearings !1 operating life of bearings with ... ceramic balls accumulative probability of failure ... lubrication hatched area with steel balls with ceramic balls 99 80 50 20 10 5 ... test machine fig 9.17 operating life of ball bearing with ceramic balls bearing ... friction torque n mm 70 steel ball ceramic ball displacement in axial ... 10 0 0 5,000 10,000 15,000 -1 25 steel ball 20 15 10 5 0 0 100 200 300 400 500 600 ... 700 800 ceramic ball 20,000 speed min axial load n fig 9.18 ... | |
| ntn main spindle bearings !2 recommended lubrication angular ... contact ball bearings are usually used with grease ... of nozzle refer to 7 lubrication of bearings 7-2 air-oil lubrication in the ... of grease refer to 7 lubrication of bearings 7-1 grease lubrication in the technical ... filling method refer to 6 handling of bearings 6-1 cleaning of bearings and filling ... section ˇnotes grease-lubricated sealed angular contact ball bearings 79 llb/70 llb ... type and bns type bearings are prefilled with long-life mp-1 ... | |
| ntn main spindle bearings !3 standard angular contact ball bearings 79u and 70u types ... ultage 79u and 70u series bearings were developed from standard angular ... contact ball bearings 79 and 70 optimized internal design ... of oil for air-oil lubrication 3 bearings are available with either steel or ... ceramic balls 4 three contact angles 15° 20° and 30° are available to ... for two-row arrangement and then contact ntn engineering for technical ... | |
| ntn main spindle bearings !4 high-speed angular contact ball bearings hse type the hse ... -speed operation and high rigidity 3 bearings are available with either steel or ... ceramic balls 4 three contact angles 15° 20° and 25° are available to ... range of applications 5s-2la-hse020 contact angle 20° 100 150 24 2 rows 0 15000 ... bearing post-assembly preload 5s-hsb020 contact angles 15°and 20° 5s-2la-hse020 contact ... .5 1 1.5 2 2.5 3 axial displacement hsb contact angle 15° hsb contact angle 20° hse ... contact angle 20° axial load kn permissible ... for two-row arrangement and then contact ntn engineering for technical ... | |
| ntn main spindle bearings !5 super high-speed angular contact ... ball bearings hsf type the hsf type realizes further ... by adoption of smaller diameter ceramic balls while retaining features of the hse ... rise super high-speed 5s-hsf series angular contact ball bearings utilize smaller ... balls than those of the highspeed hse series ... operation and high rigidity 3 ceramic balls are used 4 initial contact angle is set ... to 25° to accommodate the change in contact angle during super high-speed operation ... outer casing cooling 25 5s-2la-hse020 contact angle 20° 5s-2la-hsf020 contact angle ... guideline for two-row arrangement and contact ntn engineering for technical ... | |
| ntn main spindle bearings !6 eco-friendly air-oil lubricated ... angular contact ball bearings the hsl/hsfl type is an advanced ... better than the conventional type 2 bearings are available with either steel or ... ceramic balls hsfl is available with ceramic balls ... guideline for two-row arrangement and contact ntn engineering for technical ... | |
| ntn main spindle bearings data 2 for 5s-hsfl type bearings the ... air consumption for standard bearings at a speed of 21000 min-1 dmn 2.6 106 ... increase data 3 the 5s-hsfl type bearings can operate at 21000 min-1 dmn 2.6 106 ... oil consumption for standard bearings fig 9.31 80 test conditions hsfl type ... temperature increase data 4 5s-hsl type bearings can reliably run at a speed of 19000 ... | |
| ntn main spindle bearings !7 grease-lubricated sealed standard ... angular contact ball bearings 79llb and 70llb 5s-79llb and 5s-70llb ... are grease-lubricated eco-friendly bearings that can achieve stable high-speed ... to adoption of special grease and non-contact seals for grease retention 3 contact ... available with either steel or ceramic balls fig 9.33 79llb and 70llb types ... | |
| ntn main spindle bearings permissible speed range dmn value 106 0 ... guideline for two-row arrangement and contact ntn engineering for technical ... fig 9.35 high-speed test results 7006cd contact angle 15° 7006ad contact angle 25° ... 9.36 high-speed test results 5s-7006cd contact angle 15° 5s-7006ad contact angle 25° ... | |
| ntn main spindle bearings !8 grease-lubricated sealed angular ... contact ball bearings bns llb and 5s-2la-bns llb types by the ... and internal structure bns llb type bearings have excellent performance at higher ... available with either steel or ceramic balls 4 adoption of grease pockets special ... grease and non-contact seals improves service life of the ... main spindle configuration bns llb type bearings can reliably operate at a higher speed ... capable of replacing air-oil lubricated bearings up to dmn value of 1,400,000 air-oil ... for the front and back sides of the bearings black seals are used for the front ... | |
| ntn main spindle bearings permissible speed range dmn value 106 0 ... guideline for two-row arrangement and contact ntn engineering for technical ... increase 5s-2la-bns llb type bearings exhibit stable temperature increase up ... | |
| main spindle bearings !9 dimension tables for angular contact ... ball bearings standard angular contact ball bearings steel ball type 78 series ... contact angle 15° d 25 170mm brrdd1 r1 r d d1 ... | |
| main spindle bearings dynamic equivalent radial load pr xfr ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 79 series ... contact angle 15° d 10 170mm brrdd1 d2 r1 r b ... | |
| main spindle bearings dynamic equivalent radial load pr xfr ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 79 series ... contact angle 25° d 10 130mm b r1 rrdd1 d2 r d ... | |
| main spindle bearings r1as ras dynamic equivalent radial load ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 79 series ... contact angle 30° d 10 170mm brrdd1 d2 r1 r b ... | |
| main spindle bearings r1as ras dynamic equivalent radial load ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 70 series ... contact angle 15° d 10 200mm brrdd1 d2 r1 r b ... | |
| main spindle bearings dynamic equivalent radial load pr xfr ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 70 series ... contact angle 25° d 10 130mm b r1 rrdd1 d2 r d ... | |
| main spindle bearings r1as ras dynamic equivalent radial load ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 70 series ... contact angle 30° d 10 130mm b r1 rrdd1 d2 r d ... | |
| main spindle bearings r1as ras dynamic equivalent radial load ... | |
| main spindle bearings standard angular contact ball bearings steel ball type 72 series ... contact angle 15° d 10 130mm brrdd1 r1 r d d1 ... | |
| main spindle bearings standard angular contact ball bearings ceramic ball type 5s-79 ... series contact angle 15° d 10 130mm b r1 rrdd1 d2 r d ... | |
| main spindle bearings standard angular contact ball bearings ceramic ball type contact ... | |
| main spindle bearings standard angular contact ball bearings ceramic ball type contact ... | |
| main spindle bearings standard angular contact ball bearings ceramic ball type contact ... | |
| main spindle bearings standard angular contact ball bearings ceramic ball type contact ... | |
| main spindle bearings standard angular contact ball bearings ceramic ball type contact ... | |
| main spindle bearings high-speed angular contact ball bearings steel ball type ... 2la-hse9 series contact angle 15° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings steel ball type ... 2la hse9 series contact angle 20° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings steel ball type ... 2la hse9 series contact angle 25° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings steel ball type ... 2la-hse0 series contact angle 15° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings steel ball type ... 2la-hse0 series contact angle 20° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings steel ball type ... 2la-hse0 series contact angle 25° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings ceramic ball type ... 5s-2la-hse9 series contact angle 15° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings ceramic ball type ... 5s-2la-hse9 series contact angle 20° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings ceramic ball type ... 5s-2la-hse9 series contact angle 25° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings ceramic ball type ... 5s-2la-hse0 series contact angle 15° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings ceramic ball type ... 5s 2la hse0 series contact angle 20° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings high-speed angular contact ball bearings ceramic ball type ... 5s-2la-hse0 series contact angle 25° d 50 170mm b r r1 r1 r d d1 ... | |
| main spindle bearings super high-speed angular contact ball bearings 5s-2la-hsf0 ... series contact angle 25° d 50 100mm b r1 r r r1 d d1 ... | |
| main spindle bearings eco-friendly angular contact ball bearings steel ball type ... 2la-hsl9 series contact angle 15° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 136 ... | |
| main spindle bearings eco-friendly angular contact ball bearings steel ball type ... 2la-hsl9 series contact angle 20° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 138 ... | |
| main spindle bearings eco-friendly angular contact ball bearings steel ball type ... 2la-hsl9 series contact angle 25° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 140 ... | |
| main spindle bearings eco-friendly angular contact ball bearings steel ball type ... 2la-hsl0 series contact angle 15° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 142 ... | |
| main spindle bearings eco-friendly angular contact ball bearings steel ball type ... 2la-hsl0 series contact angle 20° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 144 ... | |
| main spindle bearings eco-friendly angular contact ball bearings steel ball type ... 2la-hsl0 series contact angle 25° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 146 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsl9 series contact angle 15° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 148 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsl9 series contact angle 20° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 150 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsl9 series contact angle 25° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 152 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsl0 series contact angle 15° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 154 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsl0 series contact angle 20° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 156 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsl0 series contact angle 25° d 50 130mm b r r1 r1 r d d1 ... the details of spacer dimensions please contact ntn engineering 158 ... | |
| main spindle bearings eco-friendly angular contact ball bearings ceramic ball type ... 5s-2la-hsfl0 series contact angle 25° d 50 100mm b r r1 r1 r d d1 d ... the details of spacer dimensions please contact ntn engineering 160 ... | |
| main spindle bearings sealed standard angular contact ball bearings steel ball type ... 79 llb series contact angle 15° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings steel ball type ... 79 llb series contact angle 25° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings steel ball type ... 70 llb series contact angle 15° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings steel ball type ... 70 llb series contact angle 25° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings ceramic ball type ... 5s-79 llb series contact angle 15° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings ceramic ball type ... 5s-79 llb series contact angle 25° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings ceramic ball type ... 5s-70 llb series contact angle 15° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed standard angular contact ball bearings ceramic ball type ... 5s-70 llb series contact angle 25° d 10 50mm brrr1 r d d1 d d1 a ... | |
| main spindle bearings sealed high-speed angular contact ball bearings steel ball type ... 2la-bns9 llb series contact angle 15° d 50 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings steel ball type ... 2la-bns9 llb series contact angle 20° d 50 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings steel ball type ... 2la-bns9 llb series contact angle 25° d 50 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings steel ball type ... 2la-bns0 llb series contact angle 15° d 45 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings steel ball type ... 2la-bns0 llb series contact angle 20° d 45 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings steel ball type ... 2la-bns0 llb series contact angle 25° d 45 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings ceramic ball type ... 5s-2la-bns9 llb series contact angle 15° d 50 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings ceramic ball type ... 5s-2la-bns9 llb series contact angle 20° d 50 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings ceramic ball type ... 5s-2la-bns9 llb series contact angle 25° d 50 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings ceramic ball type ... 5s-2la-bns0 llb series contact angle 15° d 45 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings ceramic ball type ... 5s-2la-bns0 llb series contact angle 20° d 45 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings sealed high-speed angular contact ball bearings ceramic ball type ... 5s-2la-bns0 llb series contact angle 25° d 45 100mm b r r1 rrdd1 d d1 ... | |
| main spindle bearings angular contact ball bearings for motors and lathes steel ... ball type bnt9 series contact angle 15° d 10 65mm b r r1 d d1 d2 ... | |
| main spindle bearings angular contact ball bearings for motors and lathes steel ... ball type bnt0 series contact angle 15° d 10 70mm b r r1 d d1 d2 ... | |
| main spindle bearings angular contact ball bearings for motors and lathes steel ... ball type bnt2 series contact angle 15° d 10 80mm b r r1 d d1 d2 ... | |
| main spindle bearings angular contact ball bearings for motors and lathes ceramic ... ball type 5s-bnt9 series contact angle 15° d 10 65mm b r r1 d d1 d2 ... | |
| main spindle bearings angular contact ball bearings for motors and lathes ceramic ... ball type 5s-bnt0 series contact angle 15° d 10 70mm b r r1 d d1 d2 ... | |
| main spindle bearings angular contact ball bearings for motors and lathes ceramic ... ball type 5s-bnt2 series contact angle 15° d 10 80mm b r r1 d d1 d2 ... | |
