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493 Inch Tapered Roller Bearings
493 Inch Tapered Roller Bearings
493 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

495/493 Inch Tapered Roller Bearings

The DSBR 495/493 tapered roller bearing is crafted for heavy-duty and precision applications. It features premium bearing steel construction, advanced heat treatment, and optimized raceway geometry for reduced wear and extended service life. Its inch-series design provides superior load-carrying capacity, accommodating both axial and radial loads. Commonly used in trucks, trailers, gear systems, and agricultural machinery, this bearing offers a robust solution for industries requiring consistent performance. DSBR’s in-house production, strict quality inspections, and advanced packaging ensure every bearing meets international standards, providing distributors and OEMs with reliable, cost-effective solutions.

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Technical Specification Technical Specification

Technical Specification of 495/493 Inch Tapered Roller Bearings

Specifications
Series495
Cone Part Number495
Cup Part Number493
Design UnitInch
Cage MaterialStamped Steel
Related Assembly Number(s)495-90010
Dimensions
d - Bore3 1/4 in
82.550 mm
D - Cup Outer Diameter5.3750 in
136.525 mm
B - Cone Width1.1720 in
29.769 mm
C - Cup Width0.8750 in
22.225 mm
T - Bearing Width1.1875 in
30.163 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.14 in
3.600 mm
r - Cup Backface "To Clear" Radius20.130 in
3.30 mm
da - Cone Frontface Backing Diameter3.58 in
91 mm
db - Cone Backface Backing Diameter3.86 in
98 mm
Da - Cup Frontface Backing Diameter5.16 in
131.06 mm
Db - Cup Backface Backing Diameter4.80 in
121.92 mm
Ab - Cage-Cone Frontface Clearance0.12 in
3 mm
Aa - Cage-Cone Backface Clearance0.07 in
1.8 mm
a - Effective Center Location3-0.03 in
-0.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)49000 lbf
40000 N
C1 - Dynamic Radial Rating (1 million revolutions)534700 lbf
154000 N
C0 - Static Radial Rating48600 lbf
216000 N
Ca90- Dynamic Thrust Rating (90 million revolutions)66850 lbf
30500 N
Factors
K - Factor71.31
e - ISO Factor80.44
Y - ISO Factor91.35
G1 - Heat Generation Factor (Roller-Raceway)104.6
G2 - Heat Generation Factor (Rib-Roller End)29.3
Cg - Geometry Factor100.125


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