Original catalogue drawing - Timken TRB Catalog, page 706
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
82.55
3.25
D
Outside diameter
161.925
6.375
B
Inner-ring / bearing width
110.2
4.3386
T
Overall assembly width
107.95
4.25
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)
82.550
Bore d (in)
3.2500
Outside dia. D (mm)
161.925
Outside dia. D (in)
6.3750
Width B (mm)
110.200
Width B (in)
4.3386
Overall width T (mm)
107.950
Overall width T (in)
4.2500
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
172000
Basic dynamic load rating Cr (N)
765000
Dynamic rating C1 (N, ISO)
765000
Dynamic rating C1 (lbf, ISO)
172000
Radial rating C90 (N)
114000
Radial rating C90 (lbf)
25600
Thrust rating Ca90 (N)
78100
Thrust rating Ca90 (lbf)
17600
Factor e
0.40
Factor Y1
1.69
Factor Y2
2.51
Factor K
1.46
Weight
Weight (kg)
10.45
Mounting dimensions (fillets / shoulders)
Shaft shoulder db (mm)
98.0
Housing shoulder Da (mm)
144.0
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
191,250
102
3,386
6
127,500
392
13,083
8
95,625
1,024
34,133
10
76,500
2,154
71,814
15
51,000
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 765,000 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.706 (dimensions)
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.
