Timken 2689 – 2631-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
2600
Cone Part Number
2689
Cup Part Number
2631-B
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
28.575 mm
D - Cup Outer Diameter
66.421 mm
D1 - Flange Outer Diameter
70.282 mm
B - Cone Width
25.433 mm
C - Cup Width
19.050 mm
C1 - Cup Flange Width
3.962 mm
T1 - Bearing Width to Flange
8.725 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.300 mm
r - Cup Backface "To Clear" Radius2
0.8 mm
da - Cone Frontface Backing Diameter
36 mm
db - Cone Backface Backing Diameter
37.5 mm
Da - Cup Frontface Backing Diameter
62.48 mm
Ab - Cage-Cone Frontface Clearance
1.5 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location3
-9.4 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
19900 N
C1 - Dynamic Radial Rating (1 million revolutions)5
76600 N
C0 - Static Radial Rating
81700 N
C6
8640 N
Factors
K - Factor7
2.3
e - ISO Factor8
0.25
Y - ISO Factor9
2.36
G1 - Heat Generation Factor (Roller-Raceway)
19.3
G2 - Heat Generation Factor (Rib-Roller End)
8
Cg - Geometry Factor10
0.0598
Similar to product
2689 – 2631-B
