NTN - Cylindrical and Tapered Roller Bearings

Tapered Roller Bearings
W
W o
W
W o
X U B
a
W i
R
V
Z
D
X U B
a
W i
R
V
D
r
r
TS Type
TSF Type
Load Rating:
3000
Basic
hrs L
Load
10 Life
Ratings Axial
@ 500 rpm Load
K
Factor
Dynamic Radial Static Thrust Factor
Rating Rating e
C r
C or
Y 2
Cone
Number
B
Bore
Diameter
W i
Cone
Width
R a U V
Maximum
Shaft
Fillet
Radius *
Effective
Load
Center†
Minimum
Shaft
Shoulder
Diameter
Minimum
Shaft
Shoulder
Diameter
Cup
Number
D
Outside
Diameter
W o
Cup
Width
r X Z W
Maximum
Housing
Fillet
Radius *
Maximum Maximum
Housing Housing
Shoulder Shoulder
Diameter Diameter
Bearing
Width
lbs/N
44000 79500 0.65
196000 355000 0.92
48000
Series
Inch/mm
Inch/mm
9560 10700 0.89 48506 5.0625 1.2500 0.14 0.65 5.67 5.43 48750 7.5000 1.0000 0.13 7.20 6.69 1.3750
42500 47500 128.588 31.750 3.5 16.5 144.0 138.0 190.500 25.400 3.3 183.0 170.0 34.925
36000 60500 0.51
160000 270000 1.19
48100
Series
10400 8970 1.16 48190 4.2500 1.3750 0.14 0.15 4.80 4.57 48120 6.3750 1.0625 0.13 6.14 5.75 1.3750
46100 39900 107.950 34.925 3.5 3.8 122.0 116.0 161.925 26.988 3.3 156.0 146.0 34.922
50500 97000 0.31
224000 430000 1.97
48200
Series
14500 7550 1.91 48286 4.8750 1.5000 0.14 -0.22 5.47 5.24 48220 7.1875 1.3125 0.13 6.93 6.61 1.5625
64300 33600 123.825 38.100 3.5 -5.6 139.0 133.0 182.562 33.338 3.3 176.0 168.0 39.688
14500 7550 1.91 48290 5.0000 1.5000 0.14 -0.22 5.55 5.31 48220B 7.1875 1.3125 0.13 6.97 —— 1.5625
64300 33600 127.000 38.100 3.5 -5.6 141.0 135.0 182.562 33.338 3.3 177.0 —— 39.688
53000 106000 0.32
236000 475000 1.87
48300
Series
48384A 5.2460 1.5625 0.14 -0.16 5.91 5.99
133.248 39.688 3.5 -4.1 150.0 142.0
455
15300 8390 1.82 48385 5.2500 1.5625 0.14 -0.16 5.83 5.59
67900 37300 133.350 39.688 3.5 -4.1 148.0 142.0
48385A 5.2500 1.5625 0.14 -0.16 5.83 5.59
133.350 39.588 3.5 -4.1 148.0 142.0
Series
15300 8390 1.82 48393 5.3750 1.5625 0.14 -0.16 5.94 5.67 48320B 7.5000 1.3125 0.13 7.32 —— 1.5625
67900 37300 136.525 39.688 3.5 -4.1 151.0 144.0 190.500 33.338 3.3 186.0 —— 39.688
15300 8390 1.82 48393A 5.3750 1.5625 0.22 -0.16 6.02 5.67
67900 37300 136.525 39.688 5.6 -4.1 153.0 144.0
53500 109000 0.34
238000 485000 1.78
48600
Series
48320 7.5000 1.3125 0.13 7.24 6.97 1.5625
190.500 33.338 3.3 184.0 177.0 39.688
48320B 7.5000 1.3125 0.13 7.32 —— 1.5625
190.500 33.338 3.3 186.0 —— 39.688
15500 8900 1.74 48684 5.6250 1.5625 0.31 -0.12 6.54 5.94 48620 7.8750 1.3437 0.13 7.60 7.28 1.6250
68800 39600 142.875 39.688 8.0 -3.0 166.0 151.0 200.025 34.130 3.3 193.0 185.0 41.275
15500 8900 1.74 48685 5.6250 1.5625 0.14 -0.12 6.22 5.94 48620B 7.8750 1.3437 0.13 7.64 —— 1.6250
68800 39600 142.875 39.688 3.5 -3.0 158.0 151.0 200.025 34.130 3.3 194.0 —— 41.275
* The maximum fillet on the shaft or in the housing that the bearing corner will clear.
† Positive value indicates the effective load center is outside the backface of the cone.
For additional “B” cup dimensions, see pages 173 to 174.
For parts with a “J” prefix, use metric tolerances given on page 199 and fitting practice given on page 201.
Designate bearings with hollow rollers and pinned-type retainers.
Bearing is equipped with seals (and in some instances side rings).
140