Original catalogue drawing - Timken TRB Catalog, page 360
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
276.225
10.875
D
Outside diameter
352.425
13.875
B
Inner-ring / bearing width
34.925
1.375
T
Overall assembly width
36.512
1.4375
C
Cup / outer-ring width
23.812
0.9375
r
Chamfer (min)
3.3
0.1299
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)
276.225
Bore d (in)
10.8750
Outside dia. D (mm)
352.425
Outside dia. D (in)
13.8750
Width B (mm)
34.925
Overall width T (mm)
36.512
Overall width T (in)
1.4375
Cup width C (mm)
23.812
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
74900
Basic static load rating Cor (lbs)
169000
Basic dynamic load rating Cr (N)
333000
Basic static load rating C0r (N)
750000
Dynamic rating C1 (N, ISO)
333000
Dynamic rating C1 (lbf, ISO)
74900
Radial rating C90 (N)
86300
Radial rating C90 (lbf)
19400
Thrust rating Ca90 (N)
79600
Thrust rating Ca90 (lbf)
17900
Static rating C0 (N)
750000
Static rating C0 (lbf)
169000
Factor e
0.54
Factor Y
1.11
Factor K
1.08
Geometry factor G1
1057.3
Geometry factor G2
350.4
Geometry factor Cg
0.1517
Effective load centre a (mm)
35.1
Weight
Weight (kg)
7.72
Cone weight (kg)
5.48
Cup weight (kg)
2.25
Total weight (kg)
7.73
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
3.5
Housing fillet r max (mm)
3.3
Shaft shoulder da (mm)
288.0
Shaft shoulder db (mm)
293.0
Housing shoulder Da (mm)
342.0
Housing shoulder Db (mm)
332.0
Cage projection Aa (mm)
5.9
Cage projection Ab (mm)
3.5
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
83,250
102
3,386
6
55,500
392
13,083
8
41,625
1,024
34,133
10
33,300
2,154
71,814
15
22,200
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 333,000 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.360 (dimensions) / p.217 (cone) / p.217 (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.
