Specifications of TIMKEN Bearing 30311
Specifications
Series |
30311M |
Cone Part Number |
X30311M |
Cup Part Number |
Y30311M |
Design Unit |
Metric |
Bearing Weight |
1.6 Kg3.6 lb |
Cage Material |
Stamped Steel |
Full Timken Part Number |
30311 |
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 |
25.000 mm0.9843 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 |
67 mm2.64 in |
db – Cone Backface Backing Diameter |
71 mm2.8 in |
Da – Cup Frontface Backing Diameter |
114.00 mm4.49 in |
Db – Cup Backface Backing Diameter |
107.95 mm4.25 in |
Ab – Cage-Cone Frontface Clearance |
3.8 mm0.15 in |
Aa – Cage-Cone Backface Clearance |
2 mm0.08 in |
a – Effective Center Location3 |
-6.6 mm-0.26 in |