Original catalogue drawing - Timken TRB Catalog, page 214
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
53.975
2.125
D
Outside diameter
127
5
B
Inner-ring / bearing width
52.388
2.0625
T
Overall assembly width
50.8
2
C
Cup / outer-ring width
41.275
1.625
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)
53.975
Bore d (in)
2.1250
Outside dia. D (mm)
127.000
Outside dia. D (in)
5.0000
Width B (mm)
52.388
Overall width T (mm)
50.800
Overall width T (in)
2.0000
Cup width C (mm)
41.275
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
68800
Basic static load rating Cor (lbs)
83300
Basic dynamic load rating Cr (N)
306000
Basic static load rating C0r (N)
370000
Dynamic rating C1 (N, ISO)
306000
Dynamic rating C1 (lbf, ISO)
68800
Radial rating C90 (N)
79300
Radial rating C90 (lbf)
17800
Thrust rating Ca90 (N)
40500
Thrust rating Ca90 (lbf)
9110
Static rating C0 (N)
370000
Static rating C0 (lbf)
83300
Factor e
0.30
Factor Y
2.01
Factor K
1.96
Geometry factor G1
103.1
Geometry factor G2
18.7
Geometry factor Cg
0.0757
Effective load centre a (mm)
-19.6
Weight
Weight (kg)
3.26
Cone weight (kg)
2.04
Cup weight (kg)
1.21
Total weight (kg)
3.25
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
3.5
Housing fillet r max (mm)
3.3
Shaft shoulder da (mm)
67.0
Shaft shoulder db (mm)
74.0
Housing shoulder Da (mm)
117.0
Housing shoulder Db (mm)
108.0
Cage projection Aa (mm)
2.3
Cage projection Ab (mm)
2.6
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
76,500
102
3,386
6
51,000
392
13,083
8
38,250
1,024
34,133
10
30,600
2,154
71,814
15
20,400
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 306,000 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.214 (dimensions) / p.59 (cone) / p.59 (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.
