product selection guide nicetm ball bearings inc produces a full line of ground semi-ground and unground bearing assemblies to choose the exact bearing you need start with the nicetm line of standard inch-dimension radial angular contact and thrust ball bearings standard series bearings can be customized to include many features that can satisfy the demands of many special applications they are available with special bores modified outer ring shapes extended inner rings locking devices and flanged housings standards can be ordered sealed shielded or open and are offered in ground and semi-ground grades to deliver the most cost effective solution for your application if you are now designing with only abec-1 level or higher bearings chances are there may be a more economical solution to your application a nicetm application engineer can help you determine the exact precision your design requires and show you how to take advantage of the savings selection and special features available
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1600 seriestm precision ground radial bearings con t b to clear r d d width b in mm 000 000 .005 13 0.4375 11.113 0.5000 12.700 0.5000 12.700 0.5000 12.700 0.5000 12.700 0.5625 14.288 0.5625 14.288 0.5625 14.288 0.6250 15.875 0.6250 15.875 0.6875 17.463 basic load ratings dynamic static c co lbs lbs n n weight 3 abutment and fillet dimensions w lbs kg da min in mm da max in mm r max in mm 1878 8357 2595 11548 2595 11548 2593 11539 2593 11539 2967 13203 2967 13203 2967 13203 3864 17195 3864 17195 5360 23852 850 3783 1010 4495 1010 4495 1025 4561 1025 4561 1350 6008 1350 6008 1350 6008 2120 9434 2120 9434 2620 11659 0.10 0.05 0.18 0.08 0.16 0.07 0.22 0.10 0.20 0.09 0.32 0.15 0.29 0.13 0.26 0.12 0.38 0.17 0.46 0.21 0.51 0.23 0.753 19.13 0.845 21.46 0.965 24.51 0.845 21.46 0.965 24.51 0.988 25.10 1.113 28.27 1.197 30.40 1.375 34.93 1.500 38.10 1.500 38.10 1.203 30.56 1.446 36.73 1.446 36.73 1.530 38.86 1.530 38.86 1.760 44.70 1.760 44.70 1.760 44.70 2.244 57.00 2.244 57.00 2.314 58.78
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6900 seriestm semi-ground radial bearings extended inner with flanged housing · easy to use inch dimensions · medium loads · max speed range 5000 6000 rpm · through hardened · retainer design · nylon retainer standard · double sealed standard · extended inner ring with two set screws · bearings are available with or without flange assembly number 1 flanged bearing only unit principal dimensions bore d in mm 005 13 000 00 0.375 9.53 0.500 12.70 0.625 15.875 .750 19.05 1.000 25.40 o.d d in mm 0000 00 0005 2 013 0.9063 23.020 1.6250 41.28 1.6250 41.28 2.0000 50.80 2.0000 50.80 width b in mm 000 00 005 13 0.313 7.94 0.500 12.70 0.500 12.70 0.563 14.29 0.563 14.29 width c in mm e in mm f in mm g in mm bolt centers h in mm 6906 6908 6910 6912 6916 1 6906 b 6908 b 6910 b 2 6912 b 6916 b 2 2 2 0.688 17.46 1.000 25.40 1.000 25.40 1.063 26.99 1.063 26.99 0.555 14.10 0.955 24.26 0.955 24.26 1.293 32.84 1.293 32.84 0.375 9.53 0.500 12.70 0.500 12.70 0.500 12.70 0.500 12.70 1.875
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7600 seriestm heavy duty precision ground radial bearings with extended inner ring he 7600 seriestm bearings are single row retainer type radial bearings similar in construction to the 1600 seriestm they incorporate a highly efficient single lip contact seal with metal guard the inner and outer rings are turned from chrome steel and after careful heat treatment the through hardened rings are accurately ground to close tolerances the inner ring is extended and contains set screws whereas the 7500 seriestm bearing does not the 7600 seriestm bearings are recommended for applications requiring the accuracy of rotation and quiet d performance of close limit precision grade bearings and where a superior seal is required to retain lubricant and keep the bearing free from dust and dirt normally double sealed type dl the 7600 seriestm bearings can be produced to order with seals on one side only type sl or without seals type nl double sealed a bearings are grease packed as standard however al
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400 seriestm single row unground radial bearings · · · · · · · · radial unground bearing easy to use inch dimensions moderate loads max speed range 1000 1200 rpm hardened rings full complement of balls fully unitized assembly bearing supplied pre-greased standard bearing dimensional data basic bearing number a bore in mm +0.005 0.000 13 00 0.250 6.35 0.250 6.35 0.312 7.92 0.375 9.53 0.375 9.53 0.250 6.35 0.375 9.53 0.375 9.53 0.375 9.53 0.437 11.10 0.500 12.70 0.312 7.92 0.375 9.53 b o.d in mm +0.005 0.000 13 00 0.687 17.45 0.875 22.23 0.875 22.23 0.875 22.23 0.937 23.80 1.062 26.97 1.062 26.97 1.062 26.97 1.125 28.58 1.125 28.58 1.125 28.58 1.281 32.54 1.281 32.54 c width in mm +0.010 0.010 25 25 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.312 7.92 0.250 6.35 0.250 6.35 0.375 9.53 0.375 9.53 0.375 9.53 0.370 9.40 0.312 7.92 0.312 7.92 d width in mm reference 0.250 6.35 0.250 6.35 0.250 6.35 0.250 6.35 0.312 7.92 0.250 6.35 0.250 6.35 0.375 9.53 0.375 9.53 0.375 9.53 0.406 10.31
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5000 seriestm single row unground flanged radial bearings g the 5000 seriestm of bearings is similar in construction to the 400 seriestm except it has a flange on the outer ring to locate the bearing when pressed into a tube or housing thus eliminating the need for an external mounting device the bearings are designed for moderate loads and speeds where running accuracy and noise level requirements do not warrant the more expensive precision ground bearings this series of bearings feature a full ball complement without a retainer the rings are case hardened and the soft steel band on the outer ring of the unitized assembly allows the bearing to be pressed into a housing without the necessity of close housing tolerances the bearings are supplied pre-greased as a standard the bearings are designed for use in applications with speeds not exceeding 1200 rpm fbaedc weight balls in mm no 10 15 15 15 15 16 radial capacity revolutions per minute 50 lbs n 110 490 167 743 200 890 200 890 200 890
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500 seriestm single row unground combination radial and thrust bearings the 500 seriestm of unground combination radial and thrust bearings are designed for applications where a pure radial bearing or a pure thrust bearing would be unsuitable the 500 seriestm is an angular contact bearing designed for applications where thrust and/or radial load carrying capability is required cbaerd and thrust capacity revolutions per minute 100 r lbs n 35 156 80 356 25 111 52 231 88 392 98 436 117 521 thrust capacity revolutions per minute 1000 t lbs n 11 49 23 102 11 49 15 67 27 120 28 125 35 156 250 t lbs n 23 102 53 236 17 76 35 156 59 263 65 289 78 347 500 t lbs n 15 67 34 151 15 67 22 98 37 165 40 178 50 223 r lbs n 23 102 51 227 23 102 33 147 56 249 61 271 74 329 r lbs n 16 71 35 156 16 71 22 98 40 178 42 187 52 231 r lbs n 10 45 25 111 10 45 16 71 27 120 31 138 37 165 t lbs n 7 31 17 76 7 31 11 49 18 80 21 93 25 111 10 lbs n 71 316 161 716 73 325 104 463 176 783 190 846 234 1041 50 lbs n 58 25
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600 seriestm unground thrust bearings con t · unground thrust bearing · easy to use inch dimensions · moderate loads · max speed range 1000 1200 rpm · hardened rings · full complement of balls · soft steel band offers ease of installation · upper ring is free to rotate and has close fit for shafts · lower ring is fixed and has shaft clearance in the bore bearing dimensional data a bore in mm 000 010 25 00 1.000 25.40 1.000 25.40 1.016 25.81 1.063 27.00 1.125 28.58 1.25 31.75 1.437 36.50 1.500 38.10 basic bearing number 609 -v 610 -v 610 1/4 -v 611 -v 613 -v 616-v 619 -v 621 -v a1 bore in mm .010 25 1.075 27.31 1.031 26.19 1.031 26.19 1.094 27.79 1.150 29.21 1.275 32.39 1.462 37.13 1.525 38.74 b o.d in mm 1/32 79 2 21.43 1 31/32 21.43 1 3/4 21.43 1 31/32 21.43 2 3/32 21.43 2 11/32 21.43 2 15/32 21.43 2 19/32 21.43 c height in mm .010 25 .630 16.00 .625 15.88 .625 15.88 .625 15.88 .625 15.88 0.625 15.88 .625 15.88 .625 15.88 balls in mm no 12 18 16 18 19 23 23 25 weight lbs
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bearing engineering data radial internal clearance ll nicetm single row deep groove ball bearings are designed and produced with radial internal clearance to provide for optimum performance nicetm ball bearings are supplied with normal radial clearance as standard but can be ordered with radial clearance tighter than normal or looser than normal as a special item the values listed in the table below apply to bearings before mounting and under no load and are supplied as a design guide consult nicetm engineering when ordering other than normal radial clearance radial internal clearance 0001 inch 001 mm precision level normal tight loose extra loose series type min max min max min max min max 2 12 2-6 7 22 10 25 1600tm/ground 7500tm/ground 7600tm/ground er/ground 3000tm/semi-ground 6900tm/semi-ground 400tm/5000tm unground 500tm/semi-ground 5 30 2 12 5 30 2 12 5 30 8 18 20 46 10 50 25 127 10 30 25 76 10 70 25 -178 10 70 25 178 5 15 2-6 5 15 2-6 5 15 2-6 5 15 10
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steering column and strut bearings he nicetm nb543-1dctn radial bearing is a fully ground double sealed thin section bearing it is used in the headset of high-end bicycles because of shock loads severe environmental conditions and the necessity of smooth feel for the rider this bearing requires a high degree of accuracy and reliability unique metal backed nitrile seals are utilized to retain a special water-resistant grease for a greased-for-life bearing t he 8493-v is a thrust ball bearing in which one of the rings is partially encapsulated in plastic it is used in front strut mount applications of front wheel drive automobiles it has the advantage of combining low mounting height low weight and reduced operational noise t he nicetm 8408-1v is a full complement angular contact ball bearing used in steering column applications it incorporates precise yet economical solid races and features a ground o.d for close-tolerance housing fits t 48
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innovation commitment quality rbc bearings has been producing bearings in the usa since 1919 in addition to unique custom bearings rbc offers a full line of standard industrial and aerospace bearings including spherical plain bearings radial angular contact extended inner ring high misalignment quadlube® impacttuff® spreadlock® seal crosslube® duralubetm milltufftm bearings and self-lubricating bearings available in inch and metric sizes rod ends commercial and industrial precision mil-spec series self-lubricating and aircraft sold under the heim® unibal® and spherco® brands available in inch and metric sizes thin section ball bearings standard cross sections to one inch sizes to 40 inches stainless steel and other materials are available seals are available on all sizes and standard cross sections ball bearings precision ground semiground unground high loads long life smooth operation nicetm ball bearings are offered in caged and full complement configurations self-lubricating bearing
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