Product Description
Timken 3879, Tapered Roller Bearings
This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Series |
3800 |
Cone Part Number |
3879 |
Design Units |
Imperial |
Cage Type |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
48600 lbf216000 N |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
12600 lbf56100 N |
d - Bore |
1.5748 in40 mm |
B - Cone Width |
1.1875 in30.163 mm |
R - Cone Backface "To Clear" Radius3 |
0.03 in0.800 mm |
da - Cone Frontface Backing Diameter |
1.97 in50 mm |
db - Cone Backface Backing Diameter |
2.01 in51 mm |
Ab - Cage-Cone Frontface Clearance |
0.11 in2.8 mm |
Aa - Cage-Cone Backface Clearance |
0.04 in1 mm |
a - Effective Center Location4 |
-0.32 in-8.1 mm |