Original catalogue drawing - Timken TRB Catalog, page 398
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
40
1.5748
D
Outside diameter
68
2.6772
B
Inner-ring / bearing width
19
0.748
T
Overall assembly width
19
0.748
C
Cup / outer-ring width
14.5
0.5709
r
Chamfer (min)
1
0.0394
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)
40.000
Bore d (in)
1.5748
Outside dia. D (mm)
68.000
Outside dia. D (in)
2.6772
Width B (mm)
19.000
Overall width T (mm)
19.000
Overall width T (in)
0.7480
Cup width C (mm)
14.500
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
12500
Basic static load rating Cor (lbs)
16100
Basic dynamic load rating Cr (N)
55500
Basic static load rating C0r (N)
71600
Dynamic rating C1 (N, ISO)
55500
Dynamic rating C1 (lbf, ISO)
12500
Radial rating C90 (N)
14400
Radial rating C90 (lbf)
3240
Thrust rating Ca90 (N)
9330
Thrust rating Ca90 (lbf)
2100
Static rating C0 (N)
71600
Static rating C0 (lbf)
16100
Factor e
0.38
Factor Y
1.58
Factor K
1.54
Geometry factor G1
23.8
Geometry factor G2
16.1
Geometry factor Cg
0.0732
Effective load centre a (mm)
-3.8
Weight
Weight (kg)
0.27
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
3.5
Housing fillet r max (mm)
1.0
Shaft shoulder da (mm)
45.5
Shaft shoulder db (mm)
52.1
Housing shoulder Da (mm)
65.0
Housing shoulder Db (mm)
61.0
Cage projection Aa (mm)
0.9
Cage projection Ab (mm)
1.7
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
13,875
102
3,386
6
9,250
392
13,083
8
6,938
1,024
34,133
10
5,550
2,154
71,814
15
3,700
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 55,500 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.398 (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.
