Original catalogue drawing - Timken TRB Catalog, page 312
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
120
4.7244
D
Outside diameter
230
9.0551
B
Inner-ring / bearing width
49.428
1.946
T
Overall assembly width
53.975
2.125
C
Cup / outer-ring width
38.1
1.5
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)
120.000
Bore d (in)
4.7244
Outside dia. D (mm)
230.000
Outside dia. D (in)
9.0551
Width B (mm)
49.428
Overall width T (mm)
53.975
Overall width T (in)
2.1250
Cup width C (mm)
38.100
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
84500
Basic static load rating Cor (lbs)
109000
Basic dynamic load rating Cr (N)
376000
Basic static load rating C0r (N)
486000
Dynamic rating C1 (N, ISO)
376000
Dynamic rating C1 (lbf, ISO)
84500
Radial rating C90 (N)
97500
Radial rating C90 (lbf)
21900
Thrust rating Ca90 (N)
123000
Thrust rating Ca90 (lbf)
27600
Static rating C0 (N)
486000
Static rating C0 (lbf)
109000
Factor e
0.74
Factor Y
0.81
Factor K
0.79
Geometry factor G1
237.1
Geometry factor G2
44.6
Geometry factor Cg
0.1311
Effective load centre a (mm)
13.2
Weight
Weight (kg)
8.92
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
3.5
Housing fillet r max (mm)
3.3
Shaft shoulder da (mm)
140.0
Shaft shoulder db (mm)
145.0
Housing shoulder Da (mm)
213.0
Housing shoulder Db (mm)
198.0
Cage projection Aa (mm)
8.2
Cage projection Ab (mm)
4.8
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
94,000
102
3,386
6
62,667
392
13,083
8
47,000
1,024
34,133
10
37,600
2,154
71,814
15
25,067
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 376,000 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.312 (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.
