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9220 Inch Tapered Roller Bearings
9220 Inch Tapered Roller Bearings
9220 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

9278/9220 Inch Tapered Roller Bearings

The DSBR 9278/9220 tapered roller bearing is designed for high-performance applications requiring exceptional strength and wear resistance. Precision-engineered from high-quality steel, it ensures excellent load distribution and stability, making it ideal for trucks, trailers, gear systems, and industrial equipment. Its separable components simplify installation, maintenance, and inspection. As part of DSBR’s inch-series range, this model undergoes stringent quality control and testing to meet international OEM and aftermarket standards. DSBR’s in-house production and advanced logistics support offer customers competitive pricing, consistent quality, and dependable delivery worldwide.

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Technical Specification Technical Specification

Technical Specification of 9278/9220 Inch Tapered Roller Bearings

Specifications
Series9200
Cone Part Number9278
Cup Part Number9220
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore2 11/16 in
68.263 mm
D - Cup Outer Diameter6-3/8 in
161.925 mm
B - Cone Width1.8125 in
46.038 mm
C - Cup Width1.2500 in
31.750 mm
T - Bearing Width1.9375 in
49.213 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 Diameter3.5 in
89 mm
db - Cone Backface Backing Diameter4.17 in
106 mm
Da - Cup Frontface Backing Diameter6.04 in
153.20 mm
Db - Cup Backface Backing Diameter5.43 in
137.92 mm
Ab - Cage-Cone Frontface Clearance0.18 in
4.6 mm
Aa - Cage-Cone Backface Clearance0.33 in
8.4 mm
a - Effective Center Location30 in
0 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)420600 lbf
91400 N
C1 - Dynamic Radial Rating (1 million revolutions)579300 lbf
353000 N
C0 - Static Radial Rating74200 lbf
330000 N
Ca90- Dynamic Thrust Rating (90 million revolutions)624900 lbf
111000 N
Factors
K - Factor70.82
e - ISO Factor80.71
Y - ISO Factor90.85
G1 - Heat Generation Factor (Roller-Raceway)102.5
G2 - Heat Generation Factor (Rib-Roller End)16.1
Cg - Geometry Factor100.0984


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