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 LM29700
Cone Part Number LM29749
Cup Part Number LM29710
Design Unit Inch
Cage Material Stamped Steel

Dimensions
d - Bore
38.1 mm
D - Cup Outer Diameter
65.088 mm
B - Cone Width
18.288 mm
C - Cup Width
13.970 mm
T - Bearing Width
18.034 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.290 mm
r - Cup Backface "To Clear" Radius2
1.27 mm
da - Cone Frontface Backing Diameter
42.5 mm
db - Cone Backface Backing Diameter
46.5 mm
Da - Cup Frontface Backing Diameter
62.00 mm
Db - Cup Backface Backing Diameter
58.93 mm
Ab - Cage-Cone Frontface Clearance
1.8 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location3
-4.1 mm