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NTN - Cylindrical and Tapered Roller Bearings

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Dimensions <strong>and</strong> Ratings<br />

Load Rating:<br />

3000<br />

Basic<br />

hrs L<br />

Load<br />

10 Life<br />

Ratings Axial<br />

@ 500 rpm Load<br />

K<br />

Factor<br />

Dynamic Radial Static Thrust Factor<br />

Rating Rating e<br />

C r<br />

C or<br />

Y 2<br />

Cone<br />

Number<br />

B<br />

Bore<br />

Diameter<br />

W i<br />

Cone<br />

Width<br />

R a U V<br />

Maximum<br />

Shaft<br />

Fillet<br />

Radius *<br />

Effective<br />

Load<br />

Center†<br />

Minimum<br />

Shaft<br />

Shoulder<br />

Diameter<br />

Minimum<br />

Shaft<br />

Shoulder<br />

Diameter<br />

Cup<br />

Number<br />

D<br />

Outside<br />

Diameter<br />

W o<br />

Cup<br />

Width<br />

r X Z W<br />

Maximum<br />

Housing<br />

Fillet<br />

Radius *<br />

Maximum Minimum<br />

Housing<br />

Shoulder<br />

Diameter<br />

Maximum<br />

Housing<br />

Shoulder<br />

Diameter<br />

Bearing<br />

Width<br />

lbs/N<br />

20500 31000 0.46<br />

91500 138000 1.31<br />

29500<br />

Series<br />

Inch/mm<br />

Inch/mm<br />

5950 4670 1.27 29580 2.3622 1.0000 0.14 -0.03 2.95 2.68 29520 4.2500 0.7500 0.13 4.06 3.78 1.0000<br />

26400 20800 60.000 25.400 3.5 -0.8 75.0 68.0 107.950 19.050 3.3 103.0 96.0 25.400<br />

5950 4670 1.27 29582 2.3622 1.0000 0.03 -0.03 2.72 2.68 29520B 4.2500 0.7500 0.13 4.13 —— 1.0000<br />

26400 20800 60.000 25.400 0.8 -0.8 69.0 68.0 107.950 19.050 3.3 105.0 —— 25.400<br />

5950 4670 1.27 29585 2.5000 1.0000 0.14 -0.03 3.03 2.80 29521 4.3307 0.7500 0.05 4.09 3.90 1.0000<br />

26400 20800 63.500 25.400 3.5 -0.8 77.0 71.0 110.000 19.050 1.3 104.0 99.0 25.400<br />

5950 4670 1.27 29586 2.5000 1.0000 0.06 -0.03 2.87 2.80 29521B 4.3307 0.7500 0.05 4.13 —— 1.0000<br />

26400 20800 63.500 25.400 1.5 -0.8 73.0 71.0 110.000 19.050 1.3 105.0 —— 25.400<br />

5950 4670 1.27 29590 2.6250 1.0000 0.14 -0.03 3.15 2.87 29522 4.2500 0.7500 0.03 4.06 3.86 1.0000<br />

26400 20800 66.675 25.400 3.5 -0.8 80.0 73.0 107.950 19.050 0.8 103.0 98.0 25.400<br />

21400 33500 0.49<br />

95500 149000 1.23<br />

29600<br />

Series<br />

5960 4980 1.20 29675 2.7500 1.0000 0.06 0.04 3.15 3.03 29620 4.4375 0.7500 0.13 4.29 3.98 1.0000<br />

26500 22100 69.850 25.400 1.5 1.0 80.0 77.0 112.712 19.050 3.3 109.0 101.0 25.400<br />

5960 4980 1.20 29680 2.7810 1.0000 0.05 0.04 3.15 3.07 29620B 4.4375 0.7500 0.13 4.33 —— 1.0000<br />

26500 22100 70.637 25.400 1.3 1.0 80.0 78.0 122.712 19.050 3.3 110.0 —— 25.400<br />

5960 4980 1.20 29685 2.8750 1.0000 0.14 0.04 3.39 3.15 29621 29630 4.4375 4.7500 0.7500 0.13 0.03 4.45 4.29 4.21 4.09 1.0000<br />

26500 22100 73.025 25.400 3.5 1.0 86.0 80.0 120.650 112.712 19.050 3.3 0.8 113.0 109.0 104.0 107.0 25.400<br />

5960 4980 1.20 29688 2.9062 1.0000 0.06 0.04 3.27 3.15<br />

26500 22100 73.817 25.400 1.5 1.0 83.0 80.0<br />

25300 38000 0.44<br />

113000 169000 1.38<br />

33000<br />

Series<br />

29630 4.7500 0.7500 0.13 4.45 4.09 1.0000<br />

120.650 19.050 3.3 113.0 104.0 25.400<br />

7470 5570 1.34 33225 2.2500 1.1875 0.14 -0.11 2.91 2.68 33462 4.6250 0.9375 0.13 4.41 4.09 1.1875<br />

33200 24800 57.150 30.162 3.5 -2.8 74.0 68.0 117.475 23.812 3.3 112.0 104.0 30.162<br />

7470 5570 1.34 33262 2.6250 1.1875 0.14 -0.11 3.19 2.95 33462B 4.6250 0.9375 0.13 4.49 —— 1.1875<br />

33200 24800 66.675 30.162 3.5 -2.8 81.0 75.0 117.475 23.812 3.3 114.0 —— 30.162<br />

7470 5570 1.34 33269 2.6875 1.1875 0.14 -0.11 3.23 2.99 33472 4.7244 0.9230 0.03 4.45 4.21 1.1730<br />

33200 24800 68.262 30.162 3.5 -2.8 82.0 76.0 120.000 23.444 0.8 113.0 107.0 29.794<br />

7470 5570 1.34 33275 2.7500 1.1875 0.14 -0.11 3.31 3.03<br />

33200 24800 69.850 30.162 3.5 -2.8 84.0 77.0<br />

33475 4.7500 0.9230 0.03 4.53 4.53 1.1730<br />

120.650 23.444 0.8 115.0 115.0 29.794<br />

7470 5570 1.34 33281 2.8125 1.1875 0.14 -0.11 3.35 3.11<br />

33200 24800 71.438 30.162 3.5 -2.8 85.0 79.0<br />

7470 5570 1.34 33287 2.8750 1.1875 0.14 -0.11 3.43 3.15<br />

33200 24800 73.025 30.162 3.5 -2.8 87.0 80.0<br />

19100 26500 0.45<br />

85000 118000 1.33<br />

34000<br />

Series<br />

5510 4260 1.30 34274 2.7540 0.9060 0.08 0.06 3.19 3.07 34478 4.7812 0.6875 0.08 4.57 4.33 0.9688<br />

24500 18900 69.952 23.012 2.0 1.5 81.0 78.0 121.442 17.462 2.0 116.0 110.0 24.608<br />

455<br />

Series<br />

34275 2.7559 0.9060 0.08 0.06 3.19 3.11<br />

70.000 23.012 2.0 1.5 81.0 79.0<br />

34478B 4.7812 0.6875 0.06 4.65 —— 0.9688<br />

121.442 17.462 1.5 118.0 —— 24.608<br />

5510 4260 1.30 34300 3.0000 0.9060 0.08 0.06 3.39 3.27 34492A 34478B 4.9233 4.7812 0.6457 0.6875 0.08 0.06 4.65 —— 4.41 0.9343 0.9688<br />

24500 18900 76.200 23.012 2.0 1.5 86.0 83.0 125.052 121.442 16.400 17.462 2.0 1.5 118.0 112.0 —— 23.731 24.608<br />

5510 4260 1.30 34301 3.0000 0.9060 0.14 0.06 3.50 3.27 34492A 34500 5.0000 4.9233 0.7812 0.6457 0.13 0.08 4.65 4.41 1.0625 0.9343<br />

24500 18900 76.200 23.012 3.5 1.5 89.0 83.0 127.000 125.052 19.842 16.400 3.3 2.0 118.0 112.0 26.988 23.731<br />

* The maximum fillet on the shaft or in the housing that the bearing corner will clear.<br />

† Positive value indicates the effective load center is outside the backface of the cone.<br />

For additional “B” cup dimensions, see pages 173 to 174.<br />

For parts with a “J” prefix, use metric tolerances given on page 199 <strong>and</strong> fitting practice given on page 201.<br />

Designate bearings with hollow rollers <strong>and</strong> pinned-type retainers.<br />

Bearing is equipped with seals (<strong>and</strong> in some instances side rings).<br />

135

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