Catalog: Ball Bearings Shield and Seal Types | |
| for new technology network ball bearings r corporation shield and seal types # | |
| warranty ntn warrants to the original purchaser only that the delivered product which is the subject of this sale a will conform to drawings and specifications mutually established in writing as applicable to the contract and b be free from defects in material or fabrication the duration of this warranty is one year from date of delivery if the buyer discovers within this period a failure of the product to conform to drawings or specifications or a defect in material or fabrication it must promptly notify ntn in writing in no event shall such notification be received by ntn later than 13 months ... | |
| ntn ball bearings shield and seal types machinery is being made smaller and more compact the same is demanded of bearings ntn seal and shield type ball bearings are built to meet these trends they simplify shaft design are maintenance-free and are the bearing of choice for an increasing number of applications index features bearing design and features seal/shield bearing types and selection test data for seal performance service life of prelubricating grease bearing precision dimension tables bearing bore 10 25mm bearing bore 28 55mm bearing bore 55 85mm bearing bore 85 160mm p2 p2 p3 p4 p5 p6 ... | |
| shield and seal types 1 grooved type sealing figure for excellent performance all ... ring in effect a constant degree of sealing will be maintained and as a result ... | |
| ntn ball bearings shield and seal types 2 test data for seal performance friction torque and temperature rise test test conditions bearings grease revolution time load quantity tested :6305 :shell alvania 3,3.5g packed :1800 r/min :20 minutes :radial load 29 n :5 pcs each grease leakage test test conditions bearings grease revolution atmospheric temperature time quantity tested :6305 :shell alvania 3,3.5g packed :1800 r/min 600 r/min :80 :200 hrs :5 pcs each grease leakage 120 friction torque n mm 100 80 60 40 20 0 25 20 15 10 5 0 rise in temperature °c friction torgue rise in temperature 30 20 ... | |
| ntn ball bearings shield and seal types 3 service life of prelubricating grease the service life of filled grease is influenced by many factors operating conditions temperature atmosphere etc there is even a considerable difference by grease brands keeping this in mind figure 3 presents a scale for determining grease service life it is based on actual and experimental data and applies to high-quality grease used in ball bearings under normal operating conditions as the working temperature increases the grease life of course becomes shorter although not accurate for all greases figure 3 is valid ... | |
| ntn ball bearings shield and seal types 4 bearing precision inner ring d nominal bore diameter dmp single plane mean bore diameter deviation vdp single radial plane bore diameter variation vdmp mean single plane bore diameter variation kia inner ring radial runout sd face runout with bore sia inner ring axial runout with side bs inner ring width deviation vbs inner ring width varietion outer ring d nominal outside diameter dmp single plane mean outside diameter deviation vdp single radial plane outside diameter variation vdmp mean single plane outside diameter variation kea outer ... | |
| ntn ball bearings shield and seal types 5 dimension tables brrdd shielded type zz non-contact sealed type llb low torque sealed type llh contact sealed type llu d 10 25mm boundary dimensions dynamic mm kn b rs min1 cr cor cr basic load ratings static dynamic kgf cor grease zz llb limiting speeds static rpm llh llu d d 10 19 22 26 30 35 21 24 28 32 37 24 28 32 35 42 26 30 35 40 47 32 37 42 47 52 44 50 56 37 42 47 52 62 5 6 8 9 11 5 6 8 10 12 5 7 9 11 13 5 7 10 12 14 7 9 12 14 15 12 14 16 7 9 12 15 17 0.3 0.3 0.3 0.6 0.6 0.3 0.3 0.3 0.6 1 0.3 0.3 0.3 0.6 1 0.3 0.3 0.3 0.6 1 0.3 0.3 0.6 1 1.1 0.6 ... | |
| ntn ball bearings shield and seal types ra da da bearing numbers 2 abutment and fillet dimensions mm mass kg non-contact sealed type type low torque type contact type da3 min max da3 max ras max approx 6800zz 6900zz 6000zz 6200zz 6300zz 6801zz 6901zz 6001zz 6201zz 6301zz 6802zz 6902zz 6002zz 6202zz 6302zz 6803zz 6903zz 6003zz 6203zz 6303zz 6804zz 6904zz 6004zz 6204zz 6304zz 60/22zz 62/22zz 63/22zz 6805zz 6905zz 6005zz 6205zz 6305zz 6800llb 6900llb 6000llb 6200llb 6300llb 6801llb 6901llb 6001llb 6201llb 6301llb 6802llb 6902llb 6002llb 6202llb 6302llb 6803llb 6903llb 6003llb 6203llb 6303llb 6804llb ... | |
| ntn ball bearings shield and seal types brrdd shielded type zz non-contact sealed type llb low torque sealed type llh contact sealed type llu d 28 55mm boundary dimensions dynamic mm kn b rs min1 cr cor cr basic load ratings static dynamic kgf cor grease zz llb limiting speeds static rpm llh llu d d 28 52 58 68 42 47 55 62 72 58 65 75 47 55 62 72 80 52 62 68 80 90 58 68 75 85 100 65 72 80 90 110 72 12 16 18 7 9 13 16 19 13 17 20 7 10 14 17 21 7 12 15 18 23 7 12 16 19 25 7 12 16 20 27 9 0.6 1 1.1 0.3 0.3 1 1 1.1 1 1 1.1 0.3 0.6 1 1.1 1.5 0.3 0.6 1 1.1 1.5 0.3 0.6 1 1.1 1.5 0.3 0.6 1 1.1 2 0.3 12.5 ... | |
| ntn ball bearings shield and seal types ra da da bearing numbers 2 abutment and fillet dimensions mm mass kg non-contact sealed type type low torque type contact type da3 min max da3 max ras max approx 60/28zz 62/28zz 63/28zz 6806zz 6906zz 6006zz 6206zz 6306zz 60/32zz 62/32zz 63/32zz 6807zz 6907zz 6007zz 6207zz 6307zz 6808zz 6908zz 6008zz 6208zz 6308zz 6809zz 6909zz 6009zz 6209zz 6309zz 6810zz 6910zz 6010zz 6210zz 6310zz 6811zz 60/28llb 62/28llb 63/28llb 6806llb 6906llb 6006llb 6206llb 6306llb 60/32llb 62/32llb 63/32llb 6807llb 6907llb 6007llb 6207llb 6307llb 6808llb 6908llb 6008llb 6208llb 6308llb ... | |
| ntn ball bearings shield and seal types brrdd shielded type zz non-contact sealed type llb low torque sealed type llh contact sealed type llu d 55 85mm boundary dimensions dynamic mm kn b rs min1 cr cor cr basic load ratings static dynamic kgf cor grease zz llb limiting speeds static rpm llh llu d d 55 80 90 100 120 78 85 95 110 130 85 90 100 120 140 90 100 110 125 150 95 105 115 130 160 100 110 125 140 170 110 120 130 150 13 18 21 29 10 13 18 22 31 10 13 18 23 33 10 16 20 24 35 10 16 20 25 37 10 16 22 26 39 13 18 22 28 1 1.1 1.5 2 0.3 1 1.1 1.5 2.1 0.6 1 1.1 1.5 2.1 0.6 1 1.1 1.5 2.1 0.6 1 1.1 ... | |
| ntn ball bearings shield and seal types ra da da bearing numbers 2 abutment and fillet dimensions mm mass kg non-contact sealed type type low torque type contact type da3 min max da3 max ras max approx 6911zz 6011zz 6211zz 6311zz 6812zz 6912zz 6012zz 6212zz 6312zz 6813zz 6913zz 6013zz 6213zz 6313zz 6814zz 6914zz 6014zz 6214zz 6314zz 6815zz 6915zz 6015zz 6215zz 6315zz 6816zz 6916zz 6016zz 6216zz 6316zz 6817zz 6917zz 6017zz 6217zz 6911llb 6011llb 6211llb 6311llb 6812llb 6912llb 6012llb 6212llb 6312llb 6813llb 6913llb 6013llb 6213llb 6313llb 6814llb 6914llb 6014llb 6214llb 6314llb 6815llb 6915llb ... | |
| ntn ball bearings shield and seal types brrdd shielded type zz non-contact sealed type llb contact sealed type llu d 85 160mm boundary dimensions dynamic mm kn rs min1 cr cor cr basic load ratings static dynamic kgf cor grease zz llb limiting speeds static rpm llu d d b 85 180 115 125 140 160 190 120 130 145 170 200 125 140 150 180 215 145 160 190 225 150 170 200 240 180 215 200 210 225 240 41 13 18 24 30 43 13 18 24 32 45 13 20 24 34 47 20 26 36 49 20 28 38 50 28 40 33 33 35 38 3 1 1.1 1.5 2 3 1 1.1 1.5 2.1 3 1 1.1 1.5 2.1 3 1.1 2 2.1 3 1.1 2 2.1 3 2 2.1 2 2 2.1 2.1 133 19.0 33.0 58.0 96.0 143 ... | |
| ntn ball bearings shield and seal types ra da da bearing numbers 2 abutment and fillet dimensions mm mass kg sealed type non-contact type contact type da3 min max da3 max ras max approx 6317zz 6818zz 6918zz 6018zz 6218zz 6318zz 6819zz 6919zz 6019zz 6219zz 6319zz 6820zz 6920zz 6020zz 6220zz 6320zz 6921zz 6021zz 6221zz 6321zz 6922zz 6022zz 6222zz 6322zz 6024zz 6224zz 6026zz 6028zz 6030zz 6032zz 6317llb 6818llb 6918llb 6018llb 6218llb 6318llb 6819llb 6919llb 6019llb 6219llb 6317llu 6818llu 6918llu 6018llu 6218llu 6318llu 6819llu 6919llu 6019llu 6219llu 6319llu 6820llu 6920llu 6020llu 6220llu 6320llu ... | |
