Original catalogue drawing - Timken TRB Catalog, page 686
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own
dimensions for selection reference only - not a manufacturing or assembly drawing.
Dimension table (mm / inch)
Symbol
Dimension
mm
inch
d
Bore diameter
120.65
4.75
D
Outside diameter
160.338
6.3125
T
Overall assembly width
52.291
2.0587
C
Cup / outer-ring width
42.766
1.6837
Notes
Tapered roller bearings are cone / cup assemblies; cone and cup weights are listed separately and the total is their sum. Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.
Main dimensions
Bore d (mm)
120.650
Bore d (in)
4.7500
Outside dia. D (mm)
160.338
Outside dia. D (in)
6.3125
Overall width T (mm)
52.291
Overall width T (in)
2.0587
Cup width C (mm)
42.766
Cup width C (in)
1.6837
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
38200
Basic dynamic load rating Cr (N)
170000
Dynamic rating C1 (N, ISO)
170000
Dynamic rating C1 (lbf, ISO)
38200
Radial rating C90 (N)
25300
Radial rating C90 (lbf)
5680
Thrust rating Ca90 (N)
18800
Thrust rating Ca90 (lbf)
4230
Factor e
0.43
Factor Y1
1.55
Factor Y2
2.31
Factor K
1.34
Weight
Weight (kg)
2.66
Cone weight (kg)
0.77
Cup weight (kg)
0.39
Total weight (kg)
1.16
Mounting dimensions (fillets / shoulders)
Shaft shoulder db (mm)
129.0
Housing shoulder Da (mm)
155.0
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
42,500
102
3,386
6
28,333
392
13,083
8
21,250
1,024
34,133
10
17,000
2,154
71,814
15
11,333
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 170,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
Brand
Timken
Source catalogue
Timken Tapered Roller Bearing Catalog (2016)
Catalogue page
p.686 (dimensions) / p.196 (cone) / p.196 (cup)
Series type
TS
ISO dynamic rating C1, Timken C90 / Ca90, static rating C0, geometry factors and assembly weight.
Send us the quantity you need and we will come back with price and
lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.
