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LM503310 Inch Tapered Roller Bearings
LM503310 Inch Tapered Roller Bearings
LM503310 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

LM503349/LM503310 Inch Tapered Roller Bearings

The LM503349/LM503310 tapered roller bearing is a precision-engineered inch-series model used in automotive wheel hubs, gearboxes, and industrial machinery. It provides reliable handling of combined loads with reduced friction and wear. Manufactured from high-grade alloy steel with advanced heat treatment, it ensures strength, durability, and long service life. Its separable design allows for easy inspection and replacement. Backed by DSBR’s strict quality assurance and advanced production facilities, this bearing delivers consistent OEM-level performance and cost-effective solutions for global markets.

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Technical Specification Technical Specification

Technical Specification of LM503349/LM503310 Inch Tapered Roller Bearings

Specifications
SeriesLM503300
Cone Part NumberLM503349
Cup Part NumberLM503310
Design UnitInch
Cage MaterialStamped Steel
Related Assembly Number(s)LM503349-90402
LM503349-90403
LM503349-90404
LM503349-905A1
LM503349-905A2
Dimensions
d - Bore1.8105 in
45.987 mm
D - Cup Outer Diameter2.9518 in
74.976 mm
B - Cone Width0.7087 in
18.001 mm
C - Cup Width0.5512 in
14 mm
T - Bearing Width0.7087 in
18.001 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.09 in
2.290 mm
r - Cup Backface "To Clear" Radius20.06 in
1.52 mm
da - Cone Frontface Backing Diameter2.01 in
51 mm
db - Cone Backface Backing Diameter2.17 in
55 mm
Da - Cup Frontface Backing Diameter2.83 in
71.88 mm
Db - Cup Backface Backing Diameter2.64 in
67.06 mm
Ab - Cage-Cone Frontface Clearance0.09 in
2.3 mm
Aa - Cage-Cone Backface Clearance0.02 in
0.5 mm
a - Effective Center Location3-0.08 in
-2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)43930 lbf
17500 N
C1 - Dynamic Radial Rating (1 million revolutions)515100 lbf
67400 N
C0 - Static Radial Rating17000 lbf
75400 N
Ca90- Dynamic Thrust Rating (90 million revolutions)62700 lbf
12000 N
Factors
K - Factor71.45
e - ISO Factor80.4
Y - ISO Factor91.49
G1 - Heat Generation Factor (Roller-Raceway)28.3
G2 - Heat Generation Factor (Rib-Roller End)22.5
Cg - Geometry Factor100.0789


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