Timken 12175 – 12303-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
12175 – 12303-B
Specifications
Series
12000
Cone Part Number
12175
Cup Part Number
12303-B
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
44.450 mm
D - Cup Outer Diameter
76.992 mm
D1 - Flange Outer Diameter
80.564 mm
B - Cone Width
17.145 mm
C - Cup Width
11.908 mm
C1 - Cup Flange Width
3.571 mm
T1 - Bearing Width to Flange
9.126 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.5 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
49.5 mm
db - Cone Backface Backing Diameter
52 mm
Da - Cup Frontface Backing Diameter
74.93 mm
Ab - Cage-Cone Frontface Clearance
2.8 mm
Aa - Cage-Cone Backface Clearance
1 mm
a - Effective Center Location3
0 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
12800 N
C1 - Dynamic Radial Rating (1 million revolutions)5
49500 N
C0 - Static Radial Rating
58100 N
C6
11100 N
Factors
K - Factor7
1.15
e - ISO Factor8
0.51
Y - ISO Factor9
1.19
G1 - Heat Generation Factor (Roller-Raceway)
21
G2 - Heat Generation Factor (Rib-Roller End)
15.8
Cg - Geometry Factor10
0.0766
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