Specifications of TIMKEN Bearing 3981 - 3919RB
Specifications
Series |
3900 |
Cone Part Number |
3981 |
Cup Part Number |
3919RB |
Design Unit |
Inch |
Bearing Weight |
2.9 lb1.3 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
2 5/16 in58.738 mm |
D – Cup Outer Diameter |
4.4375 in112.713 mm |
B – Cone Width |
1.1830 in30.048 mm |
C – Cup Width |
0.9687 in24.605 mm |
T – Bearing Width |
1.1875 in30.163 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
2.64 in67 mm |
db – Cone Backface Backing Diameter |
2.87 in73 mm |
Da – Cup Frontface Backing Diameter |
4.18 in106.17 mm |
Db – Cup Backface Backing Diameter |
3.90 in99.06 mm |
Ab – Cage-Cone Frontface Clearance |
0.08 in2 mm |
Aa – Cage-Cone Backface Clearance |
0.06 in1.5 mm |
a – Effective Center Location3 |
-0.18 in-4.6 mm |