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LM603012 Inch Tapered Roller Bearings
LM603012 Inch Tapered Roller Bearings
LM603012 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

LM603049/LM603012 Inch Tapered Roller Bearings

The LM603049/LM603012 tapered roller bearing is an inch-series precision component designed for demanding automotive and industrial applications. With strong support for combined axial and radial loads, it ensures efficient power transmission and stability. Manufactured from premium bearing steel, it is heat-treated for high strength, wear resistance, and extended service life. Its separable cone and cup structure simplifies installation, inspection, and replacement. DSBR’s advanced production process and strict quality inspection guarantee consistency and reliability, making this bearing an excellent choice for OEM and aftermarket requirements worldwide.

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Technical Specification Technical Specification

Technical Specification of LM603049/LM603012 Inch Tapered Roller Bearings

Specifications
SeriesLM603000
Cone Part NumberLM603049
Cup Part NumberLM603012
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore1.7812 in
45.242 mm
D - Cup Outer Diameter3.0625 in
77.788 mm
B - Cone Width0.7812 in
19.842 mm
C - Cup Width0.6562 in
16.667 mm
T - Bearing Width0.8437 in
21.430 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.14 in
3.560 mm
r - Cup Backface "To Clear" Radius20.030 in
0.76 mm
da - Cone Frontface Backing Diameter2.05 in
52 mm
db - Cone Backface Backing Diameter2.28 in
58 mm
Da - Cup Frontface Backing Diameter2.94 in
74.68 mm
Db - Cup Backface Backing Diameter2.76 in
70.10 mm
Ab - Cage-Cone Frontface Clearance0.08 in
2 mm
Aa - Cage-Cone Backface Clearance0.03 in
0.8 mm
a - Effective Center Location3-0.09 in
-2.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)44450 lbf
19800 N
C1 - Dynamic Radial Rating (1 million revolutions)517200 lbf
76300 N
C0 - Static Radial Rating17500 lbf
77900 N
Ca90- Dynamic Thrust Rating (90 million revolutions)63250 lbf
14500 N
Factors
K - Factor71.37
e - ISO Factor80.43
Y - ISO Factor91.41
G1 - Heat Generation Factor (Roller-Raceway)26.4
G2 - Heat Generation Factor (Rib-Roller End)14.4
Cg - Geometry Factor100.0785


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