Specifications of TIMKEN Bearing 681 - 672-B
Specifications
Series |
675 |
Cone Part Number |
681 |
Cup Part Number |
672-B |
Design Unit |
Inch |
Bearing Weight |
8.700 lb3.9 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3.625 in92.075 mm |
D – Cup Outer Diameter |
6.625 in168.275 mm |
D1 – Flange Outer Diameter |
6.9030 in175.336 mm |
B – Cone Width |
1.6250 in41.275 mm |
C – Cup Width |
1.1875 in30.163 mm |
C1 – Cup Flange Width |
0.2812 in7.142 mm |
T1 – Bearing Width to Flange |
0.7187 in18.255 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
4.09 in104 mm |
db – Cone Backface Backing Diameter |
4.33 in110 mm |
Da – Cup Frontface Backing Diameter |
6.34 in160.02 mm |
Ab – Cage-Cone Frontface Clearance |
0.12 in3 mm |
Aa – Cage-Cone Backface Clearance |
0.17 in4.3 mm |
a – Effective Center Location3 |
-0.11 in-2.8 mm |