Double Row Tapered Roller Bearings

LM714149 - Double Row Tapered Roller Bearings

Manufactured by CHG Bearing, the LM714149 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 73.817 mm bore diameter, a 127 mm outer diameter, and a 80.962 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part NumberLM714149
BrandCHG®
BearingDouble Row Tapered Roller Bearing
Characteristics
Series370000
Number of RowsDouble Row
Tolerance ClassP0
Dimensions
Bore Diameter (d)73.817 mm
Width (B)80.962 mm
Outer Diameter (D)127 mm
Bore Diameter Tolerance-0.05 – 0 mm
Outside Diameter Tolerance-0.1 – 0 mm
Inner Ring Chamfer7.5 mm
Outer Ring Chamfer7.5 mm
Inner Ring Assembly Width Tolerance-0.50 – 0 mm
Outer Ring Assembly Width212 mm
Outer Ring Assembly Width Tolerance-0.50 – 0 mm
Shaft Abutment Diameter701 mm
Housing Abutment Diameter884 mm
Lubrication Hole Diameter12 mm
Performance
Basic Dynamic Load Rating C (kN)5400 kN
Basic Static Load Rating C0 (kN)12100 kN
Material
Mass (kg)488 kg
Ring MaterialCase-Hardened Steel / Bearing Steel
Cage Material08Al Steel / Grade 10 Steel
Lubrication Groove Width30 mm
Roller MaterialCase-Hardened Steel / Bearing Steel
CAD Drawing and Dimensions for LM714149 Double Row Tapered Roller Bearings LM714149 127 mm 73.817 mm

Frequently Asked Questions about LM714149 Double Row Tapered Roller Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for LM714149. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for LM714149, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To safeguard CHG Bearing LM714149 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (73.817 mm x 127 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
The Open Type engineered for LM714149 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
LM714149 - Double Row Tapered Roller Bearings CAD Drawing LM714149 127 mm 73.817 mm