Single Row Cylindrical Roller Bearings

N3040 - Single Row Cylindrical Roller Bearings

Manufactured by CHG Bearing, the N3040 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 200 mm bore diameter, a 310 mm outer diameter, and a 82 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 NumberN3040
BrandCHG®
Characteristics
Bearing TypeSingle Row Cylindrical Roller Bearing
Number of RowsSingle Row
Tolerance ClassP0
Dimensions
Bore Diameter (d)200 mm
Width (B)82 mm
Outer Diameter (D)310 mm
Bore Diameter Tolerance-0.030 – 0 mm
Outside Diameter Tolerance-0.035 – 0 mm
Width Tolerance-0.30 – 0 mm
Enveloping Circle Diameter Fw282 mm
Inner Ring Chamfer2.1 min mm
Outer Ring Chamfer2.1 min mm
Performance
Basic Dynamic Load Rating C (kN)689 kN
Basic Static Load Rating C0 (kN)1250 kN
Material
Mass (kg)23.7 kg
Ring MaterialBearing Steel
Rolling Element MaterialBearing Steel
Cage MaterialBrass
CAD Drawing and Dimensions for N3040 Single Row Cylindrical Roller Bearings N3040 310 mm 200 mm 282 mm 82 mm

Frequently Asked Questions about N3040 Single Row Cylindrical Roller Bearings

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

To match diverse operational dynamics, CHG Bearing supplies N3040 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Model N3040 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 200 mm) and steep thermal gradients between inner and outer rings.
Absolutely. The CHG Bearing N3040 Single Row Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF N3040, FAG N3040, NSK N3040. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To ensure optimum performance of CHG Bearing N3040 Single Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 200 mm bore. For the 310 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
N3040 - Single Row Cylindrical Roller Bearings CAD Drawing N3040 310 mm 200 mm 282 mm 82 mm