Original catalogue drawing - Timken TRB Catalog, page 428
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
190
7.4803
D
Outside diameter
290
11.4173
B
Inner-ring / bearing width
64
2.5197
T
Overall assembly width
64
2.5197
C
Cup / outer-ring width
48
1.8898
r
Chamfer (min)
2.5
0.0984
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)
190.000
Bore d (in)
7.4803
Outside dia. D (mm)
290.000
Outside dia. D (in)
11.4173
Width B (mm)
64.000
Overall width T (mm)
64.000
Overall width T (in)
2.5197
Cup width C (mm)
48.000
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
162000
Basic static load rating Cor (lbs)
290000
Basic dynamic load rating Cr (N)
719000
Basic static load rating C0r (N)
1290000
Dynamic rating C1 (N, ISO)
719000
Dynamic rating C1 (lbf, ISO)
162000
Radial rating C90 (N)
186000
Radial rating C90 (lbf)
41900
Thrust rating Ca90 (N)
141000
Thrust rating Ca90 (lbf)
31700
Static rating C0 (N)
1290000
Static rating C0 (lbf)
290000
Factor e
0.44
Factor Y
1.36
Factor K
1.32
Geometry factor G1
828.7
Geometry factor G2
161.7
Geometry factor Cg
0.1344
Effective load centre a (mm)
-0.5
Weight
Weight (kg)
14.6
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
3.0
Housing fillet r max (mm)
2.5
Shaft shoulder da (mm)
207.0
Shaft shoulder db (mm)
214.0
Housing shoulder Da (mm)
281.0
Housing shoulder Db (mm)
267.0
Cage projection Aa (mm)
6.4
Cage projection Ab (mm)
4.0
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
179,750
102
3,386
6
119,833
392
13,083
8
89,875
1,024
34,133
10
71,900
2,154
71,814
15
47,933
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 719,000 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.428 (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.
