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25523 Inch Tapered Roller Bearings
25523 Inch Tapered Roller Bearings
25523 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

25577/25523 Inch Tapered Roller Bearings

The 25577/25523 tapered roller bearing is designed for durability and long service life in heavy-duty trucks, trailers, and agricultural machinery. With its inch-series geometry, it delivers stable radial and axial load support under demanding conditions. Precision-ground raceways minimize friction, while the separable parts simplify installation and replacement. Manufactured with DSBR’s advanced processes and strict quality inspections, this bearing ensures consistent performance and broad compatibility. It is widely used by OEMs and aftermarket distributors, making it a reliable and cost-effective choice for global applications.

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Technical Specification Technical Specification

Technical Specification of 25577/25523 Inch Tapered Roller Bearings

Specifications
Series25500
Cone Part Number25577
Cup Part Number25523
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore1.6880 in
42.875 mm
D - Cup Outer Diameter3.2650 in
82.931 mm
B - Cone Width1.0000 in
25.400 mm
C - Cup Width0.8750 in
22.225 mm
T - Bearing Width1.0625 in
26.988 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.14 in
3.600 mm
r - Cup Backface "To Clear" Radius20.090 in
2.29 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 Diameter2.83 in
71.88 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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