(dimensions in mm)

Bearing Type - NJ

Bore Dia (d) - 20.0000

Outer Dia (D) - 52.0000

Width (B) - 21.0000

Radius (min) (rs) - 1.100

Dynamic Load Rating (Cr) - 42,000

Static Load Rating (Cor) - 38,800

Max Speed (Grease) (X1000 RPM) - 11

Max Speed (Oil) (X1000 RPM) - 14

Max. Shaft Shoulder Dia. Inner (Li) - 27.5

Min. Housing Shoulder Dia., Outer (Lo) - 45.5

Weight (g) - 248.00

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: NJ2304 EMA
• Inner Diameter：20mm Outer Diameter：52mm Width：21mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:sleep monitoring,Industrial Electromechanical,Digital Generator,test laboratory equipment and accessories,shoe-making machinery,Processing machinery,Equipment,hydraulic control element,Embroidery,non-motor vehicle Electric car,rubber products machinery and equipment
• Similar models:CYSD N2304E KOYO NUP2304R FBJ NUP2304 FBJ NJ2304 NKE NJ2304-E-TVP3+HJ2304-E SKF RNU2304ECP NACHI 23040E NTN NUP2304E CX NH2304E AST NU2304E
• BEARING POWER International Trading Co.,Ltd. specialize in NJ2304EMA products，there is large inventory of AST NJ2304 EMA . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ2304 EMA Which AST NJ2304EMA 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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