Timken 27687 – 27620-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
27687 – 27620-B
Specifications
Series
27600
Cone Part Number
27687
Cup Part Number
27620-B
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
27687-90028
Dimensions
d - Bore
82.550 mm
D - Cup Outer Diameter
125.413 mm
D1 - Flange Outer Diameter
130.076 mm
B - Cone Width
25.400 mm
C - Cup Width
19.845 mm
C1 - Cup Flange Width
4.763 mm
T1 - Bearing Width to Flange
10.317 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.600 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
89 mm
db - Cone Backface Backing Diameter
96 mm
Da - Cup Frontface Backing Diameter
122.94 mm
Ab - Cage-Cone Frontface Clearance
2.3 mm
Aa - Cage-Cone Backface Clearance
1.3 mm
a - Effective Center Location3
0.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
30400 N
C1 - Dynamic Radial Rating (1 million revolutions)5
117000 N
C0 - Static Radial Rating
178000 N
C6
21600 N
Factors
K - Factor7
1.4
e - ISO Factor8
0.42
Y - ISO Factor9
1.44
G1 - Heat Generation Factor (Roller-Raceway)
98.2
G2 - Heat Generation Factor (Rib-Roller End)
41.8
Cg - Geometry Factor10
0.120
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