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11 Inch Tapered Roller Bearings
11 Inch Tapered Roller Bearings
11 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

HM212049/11 Inch Tapered Roller Bearings

The HM212049/11 tapered roller bearing is engineered for superior performance in industrial and automotive environments. Manufactured from premium-grade steel with advanced grinding technology, this bearing offers high precision, excellent load capacity, and extended durability. Its separable cone and cup structure facilitates easy handling, inspection, and lubrication, reducing downtime. Widely used in trucks, trailers, construction machinery, and gear systems, this inch-series bearing meets global quality standards. DSBR’s expertise in manufacturing and rigorous inspection processes ensure consistent quality and value, making it the preferred choice for OEM suppliers and aftermarket buyers.

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Technical Specification Technical Specification

Technical Specification of HM212049/11 Inch Tapered Roller Bearings

Specifications
SeriesHM212000
Cone Part NumberHM212049
Cup Part NumberHM212011
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore2.6250 in
66.675 mm
D - Cup Outer Diameter4 13/16 in
122.238 mm
B - Cone Width1.5100 in
38.354 mm
C - Cup Width1.1700 in
29.718 mm
T - Bearing Width1.5000 in
38.100 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.14 in
3.560 mm
r - Cup Backface "To Clear" Radius20.130 in
3.30 mm
da - Cone Frontface Backing Diameter2.97 in
75.5 mm
db - Cone Backface Backing Diameter3.23 in
82 mm
Da - Cup Frontface Backing Diameter4.60 in
116.10 mm
Db - Cup Backface Backing Diameter4.25 in
107.95 mm
Ab - Cage-Cone Frontface Clearance0.15 in
3.8 mm
Aa - Cage-Cone Backface Clearance0.07 in
1.8 mm
a - Effective Center Location3-0.43 in
-10.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)415600 lbf
69200 N
C1 - Dynamic Radial Rating (1 million revolutions)560000 lbf
267000 N
C0 - Static Radial Rating62700 lbf
279000 N
Ca90- Dynamic Thrust Rating (90 million revolutions)68990 lbf
40000 N
Factors
K - Factor71.73
e - ISO Factor80.34
Y - ISO Factor91.78
G1 - Heat Generation Factor (Roller-Raceway)92.2
G2 - Heat Generation Factor (Rib-Roller End)18.1
Cg - Geometry Factor100.0759


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