Double Row Tapered Roller Bearings

M-4042-C - Double Row Tapered Roller Bearings

Manufactured by CHG Bearing, the M-4042-C is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 571.5 mm bore diameter, a 774.7 mm outer diameter, and a 254 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 NumberM-4042-C
BrandCHG®
BearingDouble Row Tapered Roller Bearing
Characteristics
Series370000
Number of RowsDouble Row
Tolerance ClassP0
Dimensions
Bore Diameter (d)571.5 mm
Width (B)254 mm
Outer Diameter (D)774.7 mm
Bore Diameter Tolerance-0.035 – 0 mm
Outside Diameter Tolerance-0.05 – 0 mm
Inner Ring Chamfer5 mm
Outer Ring Chamfer6 mm
Inner Ring Assembly Width Tolerance-0.35 – 0 mm
Outer Ring Assembly Width180 mm
Outer Ring Assembly Width Tolerance-0.50 – 0 mm
Shaft Abutment Diameter331 mm
Housing Abutment Diameter498 mm
Lubrication Hole Diameter8 mm
Performance
Basic Dynamic Load Rating C (kN)2590 kN
Basic Static Load Rating C0 (kN)4860 kN
Material
Mass (kg)170 kg
Ring MaterialCase-Hardened Steel / Bearing Steel
Cage Material08Al Steel / Grade 10 Steel
Lubrication Groove Width16 mm
Roller MaterialBearing Steel
CAD Drawing and Dimensions for M-4042-C Double Row Tapered Roller Bearings M-4042-C 774.7 mm 571.5 mm 254 mm

Frequently Asked Questions about M-4042-C Double Row Tapered Roller Bearings

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

The Open Type engineered for M-4042-C 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.
Quality starts with raw material selection: CHG Bearing crafts M-4042-C inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Model M-4042-C is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 571.5 mm) and steep thermal gradients between inner and outer rings.
Yes, 100% of M-4042-C Double Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
M-4042-C - Double Row Tapered Roller Bearings CAD Drawing M-4042-C 774.7 mm 571.5 mm 254 mm