CylindriCal and Tapered roller Bearings
Bower Cylindrical and Tapered Roller Bearings - NTN Bearing
Bower Cylindrical and Tapered Roller Bearings - NTN Bearing
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Dimensions <strong>and</strong> Ratings<br />
Load Rating:<br />
Basic 3000 Load hrs LRatings<br />
10 Life<br />
@ 500 rpm<br />
Dynamic<br />
Static<br />
Radial Rating<br />
C<br />
Thrust<br />
r<br />
C or<br />
Rating<br />
One Row Two Row<br />
lbs/N<br />
lbs/N<br />
Axial<br />
Load<br />
Factors K<br />
Factor e<br />
Y 1<br />
Y 2<br />
Cone<br />
Number †<br />
B<br />
Bore<br />
Diameter<br />
R<br />
Maximum<br />
Shaft<br />
Fillet<br />
Radius *<br />
Inch/mm<br />
U<br />
Minimum<br />
Shaft<br />
Shoulder<br />
Diameter<br />
Cup<br />
Number<br />
D W o r X W n<br />
Outside<br />
Diameter<br />
Cup<br />
Width<br />
Maximum<br />
Housing<br />
Fillet<br />
Radius *<br />
Inch/mm<br />
Maximum<br />
Housing<br />
Shoulder<br />
Diameter<br />
0.47<br />
1.43<br />
675<br />
Series<br />
14300 8550024900 153000 11500 2.14 1.24 677 3.3750 0.14 4.13 672D 6.6250 2.7500 0.03 6.30 3.6250<br />
63500380000111000 680000 51200 85.725 3.5 105.0 168.275 69.850 0.8 160.0 92.075<br />
0.33 745<br />
2.08 Series<br />
17100100000 29900 162000 9550 3.09 1.8 740 3.1875 0.20 3.98 742D 6.1250 3.3750 0.06 5.63 4.0000<br />
76300445000133000 720000 42500 80.962 5.0 101.0 155.575 85.725 1.5 143.0 101.600<br />
749A 3.2500 0.14 3.90<br />
82.550 3.5 99.0<br />
104000 172000<br />
460000 765000<br />
110000 193000<br />
485000 855000<br />
120000 232000<br />
535000 1030000<br />
147000 250000<br />
655000 1110000<br />
178000 300000<br />
790000 1340000<br />
0.34<br />
1.98<br />
2.95<br />
0.39<br />
1.76<br />
2.61<br />
0.46<br />
1.47<br />
2.19<br />
0.33<br />
2.01<br />
3.00<br />
0.33<br />
2.07<br />
3.08<br />
0.34<br />
1.99<br />
2.97<br />
3700<br />
Series<br />
782 4.1250 0.14 4.80<br />
104.775 3.5 122.0<br />
Bearing<br />
Width<br />
Through<br />
Cones<br />
38000 58000 3784 2.0000 0.25 2.76 3729D 3.6718 2.0625 0.03 3.46 2.5625<br />
168000 258000 50.800 6.4 70.0 93.264 52.388 0.8 88.0 65.088<br />
0.41<br />
1.66<br />
8500<br />
Series<br />
30100179000 52500 415000 21000 2.47 1.44 8573 9.0000 0.25 10.04 8520D 12.8750 3.2500 0.06 12.32 4.5000<br />
134000795000233000 1850000 93300 228.600 6.4 255.0 327.025 82.550 1.5 313.0 114.300<br />
0.49<br />
1.38<br />
2.06<br />
29600<br />
Series<br />
37000 67000 29675 2.7500 0.06 3.15 29622D 4.4995 1.8125 0.03 4.29 2.3125<br />
164000 298000 69.850 1.5 80.0 114.287 46.038 0.8 109.0 58.737<br />
0.37<br />
1.83<br />
2.73<br />
36600<br />
Series<br />
64500 157000 36690 5.7500 0.06 6.10 36620D 7.6250 2.1250 0.03 7.40 2.5624<br />
287000 700000 146.050 1.5 155.0 193.675 53.975 0.8 188.0 65.084<br />
0.49<br />
1.37<br />
755<br />
Series<br />
775<br />
Series<br />
795<br />
Series<br />
855<br />
Series<br />
935<br />
Series<br />
42000<br />
Series<br />
755 3.0000 0.14 3.74 752D 6.3750 3.3750 0.06 5.91 4.1250<br />
76.200 3.5 95.0 161.925 85.725 1.5 150.0 104.775<br />
776 3.7500 0.14 4.49 774D 7.1250 3.3750 0.06 6.61 4.1250<br />
95.250 3.5 114.0 180.975 85.725 1.5 168.0 104.775<br />
795 4.7500 0.13 5.47 792D 8.1250 3.2500 0.03 7.80 4.2500<br />
120.650 3.3 139.0 206.375 82.550 0.8 198.0 107.950<br />
855 3.5000 0.31 4.65 854D 7.5000 4.0000 0.06 6.85 5.0000<br />
88.900 8.0 118.0 190.500 101.600 1.5 174.0 127.000<br />
936 4.2500 0.31 5.39 932D 8.3750 4.6250 0.06 7.60 5.6250<br />
107.950 8.0 137.0 212.725 117.475 1.5 193.0 142.875<br />
52500 94500 2.04 42381 3.8125 0.14 4.33 42587D 5.8750 2.0625 0.03 5.63 2.6249<br />
233000 420000 96.838 3.5 110.0 149.225 52.388 0.8 143.0 66.672<br />
0.38<br />
1.77<br />
46700<br />
Series<br />
16400 9750028500 249000 10700<br />
2.63<br />
1.52 46780 6.2500 0.14 6.93 46720D 8.8750 2.7500 0.03 8.58 3.3750<br />
72800435000127000 1110000 47800 158.750 3.5 176.0 225.425 69.850 0.8 218.0 85.725<br />
0.31<br />
2.22<br />
48200<br />
Series<br />
14500 8600025200 194000 7550<br />
3.30<br />
1.91 48286 4.8750 0.14 5.47 48220D 7.1875 2.8750 0.03 6.93 3.3750<br />
64300385000112000 865000 33600 123.825 3.5 139.0 182.562 73.025 0.8 176.0 85.725<br />
* The maximum fillet on the shaft or in the housing that the bearing corner will clear.<br />
† Any cone within a series may be used with a double cup of the same series.<br />
Contact the NTN Application Engineering Department for possible changes in dimension W n .<br />
181
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