Specifications of TIMKEN Bearing 30312
Specifications
Series |
30312M |
Cone Part Number |
X30312M |
Cup Part Number |
Y30312M |
Design Unit |
Metric |
Bearing Weight |
2 Kg4.3 lb |
Cage Material |
Stamped Steel |
Full Timken Part Number |
30312 |
Dimensions
d – Bore |
60 mm2.3622 in |
D – Cup Outer Diameter |
130 mm5.1181 in |
B – Cone Width |
31.000 mm1.2205 in |
C – Cup Width |
26.000 mm1.0236 in |
T – Bearing Width |
33.500 mm1.3189 in |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
3.05 mm0.12 in |
r – Cup Backface “To Clear” Radius2 |
2.54 mm0.1 in |
da – Cone Frontface Backing Diameter |
69 mm2.72 in |
db – Cone Backface Backing Diameter |
74 mm2.91 in |
Da – Cup Frontface Backing Diameter |
121.90 mm4.80 in |
Db – Cup Backface Backing Diameter |
116.08 mm4.57 in |
Ab – Cage-Cone Frontface Clearance |
4.8 mm0.19 in |
Aa – Cage-Cone Backface Clearance |
1.8 mm0.07 in |
a – Effective Center Location3 |
-7.1 mm-0.28 in |