Specifications of TIMKEN Bearing 31311
Specifications
Series |
31311M |
Cone Part Number |
X31311M |
Cup Part Number |
Y31311M |
Design Unit |
Metric |
Bearing Weight |
1.6 Kg3.5 lb |
Cage Material |
Stamped Steel |
Full Timken Part Number |
31311 |
Dimensions
d – Bore |
55 mm2.1654 in |
D – Cup Outer Diameter |
120 mm4.7244 in |
B – Cone Width |
29.000 mm1.1417 in |
C – Cup Width |
21.000 mm0.8268 in |
T – Bearing Width |
31.500 mm1.2402 in |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
2.54 mm0.1 in |
r – Cup Backface “To Clear” Radius2 |
2.03 mm0.08 in |
da – Cone Frontface Backing Diameter |
68 mm2.68 in |
db – Cone Backface Backing Diameter |
82 mm3.23 in |
Da – Cup Frontface Backing Diameter |
115.10 mm4.56 in |
Db – Cup Backface Backing Diameter |
103.12 mm4.06 in |
Ab – Cage-Cone Frontface Clearance |
4.3 mm0.17 in |
Aa – Cage-Cone Backface Clearance |
3.8 mm0.15 in |
a – Effective Center Location3 |
6.9 mm0.27 in |