Original catalogue drawing - Timken TRB Catalog, page 422
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
4.7244
D
Outside diameter
260
10.2362
B
Inner-ring / bearing width
86
3.3858
T
Overall assembly width
90.5
3.563
C
Cup / outer-ring width
69
2.7165
r
Chamfer (min)
3
0.1181
Notes
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)
120.000
Bore d (in)
4.7244
Outside dia. D (mm)
260.000
Outside dia. D (in)
10.2362
Width B (mm)
86.000
Overall width T (mm)
90.500
Overall width T (in)
3.5630
Cup width C (mm)
69.000
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
204000
Basic static load rating Cor (lbs)
281000
Basic dynamic load rating Cr (N)
908000
Basic static load rating C0r (N)
1250000
Dynamic rating C1 (N, ISO)
908000
Dynamic rating C1 (lbf, ISO)
204000
Radial rating C90 (N)
235000
Radial rating C90 (lbf)
52900
Thrust rating Ca90 (N)
139000
Thrust rating Ca90 (lbf)
31200
Static rating C0 (N)
1250000
Static rating C0 (lbf)
281000
Factor e
0.35
Factor Y
1.74
Factor K
1.69
Geometry factor G1
498.3
Geometry factor G2
52.0
Geometry factor Cg
0.1250
Effective load centre a (mm)
-29.5
Weight
Weight (kg)
21.52
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
4.0
Housing fillet r max (mm)
3.0
Shaft shoulder da (mm)
149.0
Shaft shoulder db (mm)
155.0
Housing shoulder Da (mm)
239.5
Housing shoulder Db (mm)
233.0
Cage projection Aa (mm)
14.2
Cage projection Ab (mm)
5.6
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
227,000
102
3,386
6
151,333
392
13,083
8
113,500
1,024
34,133
10
90,800
2,154
71,814
15
60,533
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 908,000 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.422 (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.
