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25522 Inch Tapered Roller Bearings
25522 Inch Tapered Roller Bearings
25522 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

25577/25522 Inch Tapered Roller Bearings

The 25577/25522 tapered roller bearing is a high-strength inch-series model used extensively in trucks, trailers, and heavy machinery. It supports combined axial and radial loads with reliability. Built from high-quality steel, it offers excellent wear resistance and extended service life. Its separable cone and cup structure makes installation and maintenance easier. Manufactured under DSBR’s strict quality management system, this bearing provides OEM-grade performance at competitive prices, making it a trusted choice for global distributors and industrial users.

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Technical Specification Technical Specification

Technical Specification of 25577/25522 Inch Tapered Roller Bearings

Specifications
Series25500
Cone Part Number25577
Cup Part Number25522
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore1.6880 in
42.875 mm
D - Cup Outer Diameter3.2700 in
83.058 mm
B - Cone Width1.0000 in
25.400 mm
C - Cup Width0.7525 in
19.114 mm
T - Bearing Width0.9400 in
23.876 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.14 in
3.600 mm
r - Cup Backface "To Clear" Radius20.08 in
2.03 mm
da - Cone Frontface Backing Diameter1.93 in
49 mm
db - Cone Backface Backing Diameter2.17 in
55 mm
Da - Cup Frontface Backing Diameter3.05 in
77.00 mm
Db - Cup Backface Backing Diameter2.87 in
72.90 mm
Ab - Cage-Cone Frontface Clearance0.06 in
1.5 mm
Aa - Cage-Cone Backface Clearance0.01 in
0.3 mm
a - Effective Center Location3-0.25 in
-6.4 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)45270 lbf
23500 N
C1 - Dynamic Radial Rating (1 million revolutions)520300 lbf
90500 N
C0 - Static Radial Rating24900 lbf
111000 N
Ca90- Dynamic Thrust Rating (90 million revolutions)63020 lbf
13500 N
Factors
K - Factor71.74
e - ISO Factor80.33
Y - ISO Factor91.79
G1 - Heat Generation Factor (Roller-Raceway)35.2
G2 - Heat Generation Factor (Rib-Roller End)14.3
Cg - Geometry Factor100.0801


Contact DSBR for More Information
Contact DSBR for More Information
2010
SINCE
9
PATENTS
120
EXPERT WORKERS
40
EXPORT COUNTRIES
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