(dimensions in mm)

Bearing Type - NJ

Bore Dia (d) - 140.0000

Outer Dia (D) - 250.0000

Width (B) - 42.0000

Radius (min) (rs) - 3.000

Dynamic Load Rating (Cr) - 372,000

Static Load Rating (Cor) - 479,000

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) - 225.0

Weight (g) - 9,240.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

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

This bearing is also available with the HJ end plate for the inner race.

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: NJ228 EM
• Inner Diameter：140mm Outer Diameter：250mm Width：42mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-15
• Application:ultra-quiet generators,Cleaning equipment,ventilation fans,forklift industry,Technical Equipment,aerial work equipment,clean stationery,internal combustion engine,pump accessories,Other machinery,directional control valve
• Similar models:NACHI NP228 KOYO NUP228R NTN N2228 KOYO NU228 CRAFT NF228 FAG NJ228-E-M1 NKE NJ228-E-MPA+HJ228-E AST NJ2228M NACHI 23228AXK NACHI NJ2228E
• BEARING POWER International Trading Co.,Ltd. specialize in NJ228EM products，there is large inventory of AST NJ228 EM . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ228 EM Which AST NJ228EM 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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  18x40x7mm	18	40	7	CONSOLIDATED	OIL SEALS