Timken 42687 – 42620-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
42687 – 42620-B
Specifications
Series
42600
Cone Part Number
42687
Cup Part Number
42620-B
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
76.2 mm
D - Cup Outer Diameter
127 mm
D1 - Flange Outer Diameter
133.248 mm
B - Cone Width
31.001 mm
C - Cup Width
22.225 mm
C1 - Cup Flange Width
5.558 mm
T1 - Bearing Width to Flange
13.496 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.600 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
84 mm
db - Cone Backface Backing Diameter
90 mm
Da - Cup Frontface Backing Diameter
124.20 mm
Ab - Cage-Cone Frontface Clearance
1.5 mm
Aa - Cage-Cone Backface Clearance
3 mm
a - Effective Center Location3
-2.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
41800 N
C1 - Dynamic Radial Rating (1 million revolutions)5
161000 N
C0 - Static Radial Rating
222000 N
C6
29900 N
Factors
K - Factor7
1.39
e - ISO Factor8
0.42
Y - ISO Factor9
1.43
G1 - Heat Generation Factor (Roller-Raceway)
96.2
G2 - Heat Generation Factor (Rib-Roller End)
28.6
Cg - Geometry Factor10
0.120
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42687 – 42620-B
