Specifications of TIMKEN Bearing 31307
Specifications
Series |
31307 |
Cone Part Number |
X31307 |
Cup Part Number |
Y31307 |
Design Unit |
Metric |
Bearing Weight |
0.5 Kg1.2 lb |
Cage Material |
Stamped Steel |
Full Timken Part Number |
31307 |
Dimensions
d – Bore |
35 mm1.3780 in |
D – Cup Outer Diameter |
80 mm3.1496 in |
B – Cone Width |
21.000 mm0.8268 in |
C – Cup Width |
15.000 mm0.5906 in |
T – Bearing Width |
22.750 mm0.8957 in |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
2.030 mm0.08 in |
r – Cup Backface “To Clear” Radius2 |
1.52 mm0.06 in |
da – Cone Frontface Backing Diameter |
45 mm1.77 in |
db – Cone Backface Backing Diameter |
56 mm2.2 in |
Da – Cup Frontface Backing Diameter |
76.96 mm3.03 in |
Db – Cup Backface Backing Diameter |
68.07 mm2.68 in |
Ab – Cage-Cone Frontface Clearance |
3.6 mm0.14 in |
Aa – Cage-Cone Backface Clearance |
2.5 mm0.1 in |
a – Effective Center Location3 |
3.3 mm0.13 in |