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492A Inch Tapered Roller Bearings
492A Inch Tapered Roller Bearings
492A Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

498/492A Inch Tapered Roller Bearings

The DSBR 498/492A tapered roller bearing is an inch-series bearing designed for versatility and heavy-load operation. Made with advanced bearing steel and strict heat treatment processes, it offers exceptional resistance to wear, accurate fitment, and smooth rotation. This bearing is extensively used in agricultural machinery, trucks, trailers, and industrial gearboxes. DSBR’s expertise in bearing manufacturing ensures every unit meets or exceeds international standards. With precision grinding, optimized internal geometry, and robust packaging solutions, DSBR provides a high-value product that minimizes downtime and maximizes equipment efficiency.


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Technical Specification Technical Specification

Technical Specification of 498/492A Inch Tapered Roller Bearings


Specifications
Series495
Cone Part Number498
Cup Part Number492A
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore3.3125 in
84.138 mm
D - Cup Outer Diameter5 1/4 in
133.350 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 Diameter5.08 in
129.00 mm
Db - Cup Backface Backing Diameter4.72 in
119.89 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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