Original catalogue drawing - Timken TRB Catalog, page 126
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
33.337
1.3125
D
Outside diameter
88.5
3.4843
B
Inner-ring / bearing width
23.698
0.933
T
Overall assembly width
25.4
1
C
Cup / outer-ring width
17.462
0.6875
r
Chamfer (min)
1.5
0.0591
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)
33.337
Bore d (in)
1.3125
Outside dia. D (mm)
88.500
Outside dia. D (in)
3.4843
Width B (mm)
23.698
Overall width T (mm)
25.400
Overall width T (in)
1.0000
Cup width C (mm)
17.462
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
22400
Basic static load rating Cor (lbs)
19900
Basic dynamic load rating Cr (N)
99800
Basic static load rating C0r (N)
88600
Dynamic rating C1 (N, ISO)
99800
Dynamic rating C1 (lbf, ISO)
22400
Radial rating C90 (N)
25900
Radial rating C90 (lbf)
5810
Thrust rating Ca90 (N)
34600
Thrust rating Ca90 (lbf)
7770
Static rating C0 (N)
88600
Static rating C0 (lbf)
19900
Factor e
0.78
Factor Y
0.77
Factor K
0.75
Geometry factor G1
22.9
Geometry factor G2
8.7
Geometry factor Cg
0.0899
Effective load centre a (mm)
2.3
Weight
Weight (kg)
0.76
Cone weight (kg)
0.52
Cup weight (kg)
0.24
Total weight (kg)
0.76
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
2.0
Housing fillet r max (mm)
1.5
Shaft shoulder da (mm)
48.0
Shaft shoulder db (mm)
51.0
Housing shoulder Da (mm)
84.0
Housing shoulder Db (mm)
75.0
Cage projection Aa (mm)
3.8
Cage projection Ab (mm)
2.7
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
24,950
102
3,386
6
16,633
392
13,083
8
12,475
1,024
34,133
10
9,980
2,154
71,814
15
6,653
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 99,800 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.126 (dimensions) / p.91 (cone) / p.91 (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.
