Original catalogue drawing - Timken TRB Catalog, page 396
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
25
0.9843
D
Outside diameter
47
1.8504
B
Inner-ring / bearing width
15
0.5906
T
Overall assembly width
15
0.5906
C
Cup / outer-ring width
11.5
0.4528
r
Chamfer (min)
0.6
0.0236
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)
25.000
Bore d (in)
0.9843
Outside dia. D (mm)
47.000
Outside dia. D (in)
1.8504
Width B (mm)
15.000
Overall width T (mm)
15.000
Overall width T (in)
0.5906
Cup width C (mm)
11.500
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
6920
Basic static load rating Cor (lbs)
7960
Basic dynamic load rating Cr (N)
30800
Basic static load rating C0r (N)
35400
Dynamic rating C1 (N, ISO)
30800
Dynamic rating C1 (lbf, ISO)
6920
Radial rating C90 (N)
7980
Radial rating C90 (lbf)
1790
Thrust rating Ca90 (N)
5880
Thrust rating Ca90 (lbf)
1320
Static rating C0 (N)
35400
Static rating C0 (lbf)
7960
Factor e
0.43
Factor Y
1.39
Factor K
1.36
Geometry factor G1
8.6
Geometry factor G2
8.7
Geometry factor Cg
0.0546
Effective load centre a (mm)
-3.3
Weight
Weight (kg)
0.11
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
0.6
Housing fillet r max (mm)
0.6
Shaft shoulder da (mm)
30.0
Shaft shoulder db (mm)
31.5
Housing shoulder Da (mm)
44.5
Housing shoulder Db (mm)
41.5
Cage projection Aa (mm)
0.0
Cage projection Ab (mm)
1.8
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
7,700
102
3,386
6
5,133
392
13,083
8
3,850
1,024
34,133
10
3,080
2,154
71,814
15
2,053
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 30,800 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.396 (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.
