TIMKEN A4050-A4138 Bearing

TIMKEN A4050-A4138 tapered roller bearings

Also known as : A4050-A4138

• Inside Diameter: 12.7 mm
• Outside Diameter: 34.989 mm
• Width: 10.998 mm
• Basic dynamic load rating: 13.2 kN
• Basic static load rating: 11.5 kN

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TIMKEN A4050-A4138 Bearing

Series	A4000
model	A4050-A4138
Cone Part Number	A4050
Cup Part Number	A4138
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.100 Kg 0.10 lb
Dimensions
d - Bore	12.700 mm 0.5000 in
D - Cup Outer Diameter	34.989 mm 1.3775 in
B - Cone Width	10.988 mm 0.4326 in
C - Cup Width	8.730 mm 0.3437 in
T - Bearing Width	10.998 mm 0.4330 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	1.270 mm 0.050 in
r - Cup Backface "To Clear" Radius	1.27 mm 0.050 in
da - Cone Frontface Backing Diameter	17.02 mm 0.67 in
db - Cone Backface Backing Diameter	18.54 mm 0.73 in
Da - Cup Frontface Backing Diameter	32.51 mm 1.28 in
Db - Cup Backface Backing Diameter	28.96 mm 1.14 in
Ab - Cage-Cone Frontface Clearance	1.8 mm 0.07 in
Aa - Cage-Cone Backface Clearance	0 mm 0 in
a - Effective Center Location	-2.50 mm -0.10 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	3410 N 767 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	13200 N 2960 lbf
C0 - Static Radial Rating	11500 N 2580 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)	2640 N 594 lbf
Factors
K - Factor	1.29
e - ISO Factor	0.45
Y - ISO Factor	1.32
G1 - Heat Generation Factor (Roller-Raceway)	2.3
G2 - Heat Generation Factor (Rib-Roller End)	4.12
Cg - Geometry Factor	0.0355

TIMKEN A4050-A4138 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.