Specifications of TIMKEN Bearing A4059 - A4138D
Specifications
Series |
A4000 |
Cone Part Number |
A4059 |
Cup Part Number |
A4138D |
Design Unit |
Inch |
Bearing Weight |
0.25 lb0.115 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
0.5901 in14.989 mm |
D – Cup Outer Diameter |
1.3775 in34.989 mm |
B – Cone Width |
0.4326 in10.988 mm |
C – Double Cup Width |
0.8125 in20.638 mm |
T – Bearing Width across Cones |
0.9910 in25.171 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.03 in0.8 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.6 mm |
db – Cone Backface Backing Diameter |
0.77 in19.5 mm |
Da – Cup Frontface Backing Diameter |
1.26 in32.00 mm |
Aa – Cage-Cone Backface Clearance |
0 in0 mm |
a – Effective Center Location3 |
-0.1 in-2.5 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
767 lbf3410 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
5150 lbf22900 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
1330 lbf5940 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
594 lbf2640 N |