Timken A4050 – A4138
Tapered Roller Bearings-TS(Tapered Single)Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
A4000
Cone Part Number
A4050
Cup Part Number
A4138
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
A4050-90012
Dimensions
d - Bore
12.7 mm
D - Cup Outer Diameter
34.989 mm
B - Cone Width
10.988 mm
C - Cup Width
8.730 mm
T - Bearing Width
10.998 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.300 mm
r - Cup Backface "To Clear" Radius2
1.27 mm
da - Cone Frontface Backing Diameter
17 mm
db - Cone Backface Backing Diameter
18.5 mm
Da - Cup Frontface Backing Diameter
32.51 mm
Db - Cup Backface Backing Diameter
28.96 mm
Ab - Cage-Cone Frontface Clearance
1.8 mm
Aa - Cage-Cone Backface Clearance
0 mm
a - Effective Center Location3
-2.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
3410 N
C1 - Dynamic Radial Rating (1 million revolutions)5
13200 N
C0 - Static Radial Rating
11500 N
C6
2640 N
Factors
K - Factor7
1.29
e - ISO Factor8
0.45
Y - ISO Factor9
1.32
G1 - Heat Generation Factor (Roller-Raceway)
2.3
G2 - Heat Generation Factor (Rib-Roller End)
4.12
Cg - Geometry Factor10
0.0355
