Specifications of TIMKEN Bearing 31309
Specifications
Series |
31309M |
Cone Part Number |
X31309M |
Cup Part Number |
Y31309M |
Design Unit |
Metric |
Bearing Weight |
0.9 Kg2.1 lb |
Cage Material |
Stamped Steel |
Full Timken Part Number |
31309 |
Dimensions
d – Bore |
45 mm1.7717 in |
D – Cup Outer Diameter |
100 mm3.937 in |
B – Cone Width |
25.000 mm0.9843 in |
C – Cup Width |
18.000 mm0.7087 in |
T – Bearing Width |
27.250 mm1.0728 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 |
56 mm2.2 in |
db – Cone Backface Backing Diameter |
67 mm2.64 in |
Da – Cup Frontface Backing Diameter |
95.5 mm3.76 in |
Db – Cup Backface Backing Diameter |
85.00 mm3.35 in |
Ab – Cage-Cone Frontface Clearance |
4.3 mm0.17 in |
Aa – Cage-Cone Backface Clearance |
4.8 mm0.19 in |
a – Effective Center Location3 |
4.3 mm0.17 in |