Timken 866 – 854-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
855
Cone Part Number
866
Cup Part Number
854-B
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
98.425 mm
D - Cup Outer Diameter
190.5 mm
D1 - Flange Outer Diameter
199.923 mm
B - Cone Width
57.531 mm
C - Cup Width
44.450 mm
C1 - Cup Flange Width
9.525 mm
T1 - Bearing Width to Flange
22.225 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
111 mm
db - Cone Backface Backing Diameter
118 mm
Da - Cup Frontface Backing Diameter
174.24 mm
Ab - Cage-Cone Frontface Clearance
1.5 mm
Aa - Cage-Cone Backface Clearance
3.8 mm
a - Effective Center Location3
-15.2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
119000 N
C1 - Dynamic Radial Rating (1 million revolutions)5
458000 N
C0 - Static Radial Rating
630000 N
C6
68000 N
Factors
K - Factor7
1.74
e - ISO Factor8
0.33
Y - ISO Factor9
1.79
G1 - Heat Generation Factor (Roller-Raceway)
264.1
G2 - Heat Generation Factor (Rib-Roller End)
44.9
Cg - Geometry Factor10
0.107
