(dimensions in mm)

Bearing Type - N

Bore Dia (d) - 140.0000

Outer Dia (D) - 250.0000

Width (B) - 42.0000

Radius (min) (rs) - 3.000

Dynamic Load Rating (Cr) - 307,000

Static Load Rating (Cor) - 391,000

Max Speed (Grease) (X1000 RPM) - 2

Max Speed (Oil) (X1000 RPM) - 3

Max. Shaft Shoulder Dia. Inner (Li) - 169.0

Min. Housing Shoulder Dia., Outer (Lo) - 221.0

Weight (g) - 9,810.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".

Suffix definitions are listed in the Nomenclature Technical document.

This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.

• Model Number: N228 M
• Inner Diameter：140mm Outer Diameter：250mm Width：42mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:medical equipment,relay,injection molding machine,rolling mill roll neck and slowdown device,shoe-making machinery,Performance test,machine tool spindle,chromatography,Other Machine Tools,hydraulic cylinder,small appliances
• Similar models:NKE NJ2228-E-M6 NACHI NJ2228 NKE NJ2228-E-MA6 CX NUP2228E NKE NJ228-E-MPA NKE NU228-E-M6 CX NU5228 NSK NUP228EM ISO NJ3228 KOYO NUP228
• BEARING POWER International Trading Co.,Ltd. specialize in N228M products，there is large inventory of AST N228 M . We has been built up long-term cooperation with AST company, could make a bulk order of the N228 M Which AST N228M is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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