Specifications of TIMKEN Bearing 21075 - 21212-B
Specifications
Series |
21000 |
Cone Part Number |
21075 |
Cup Part Number |
21212-B |
Design Unit |
Inch |
Bearing Weight |
0.8 lb0.4 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3/4 in19.05 mm |
D – Cup Outer Diameter |
2.125 in53.975 mm |
D1 – Flange Outer Diameter |
2.2772 in57.841 mm |
B – Cone Width |
0.8598 in21.839 mm |
C – Cup Width |
0.6250 in15.875 mm |
C1 – Cup Flange Width |
0.1562 in3.967 mm |
T1 – Bearing Width to Flange |
0.4062 in10.317 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.06 in1.5 mm |
r – Cup Backface “To Clear” Radius2 |
0.090 in2.3 mm |
da – Cone Frontface Backing Diameter |
1.03 in26 mm |
db – Cone Backface Backing Diameter |
1.24 in31.5 mm |
Da – Cup Frontface Backing Diameter |
2.07 in52.58 mm |
Ab – Cage-Cone Frontface Clearance |
0.09 in2.3 mm |
Aa – Cage-Cone Backface Clearance |
0.1 in2.5 mm |
a – Effective Center Location3 |
-0.23 in-5.8 mm |