(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) - 217.00

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 E
• Inner Diameter：20mm Outer Diameter：52mm Width：21mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:Dental Drill etc,Medical equipment,Spectrum Products,stacker lift platform,car and accessories,tooth filling,tray industry,Vertical machining,ultra-quiet generators,security equipment,quality inspection equipment
• Similar models:KOYO NUP2304 NSK NU2304ET NACHI 23048A2X NTN NJ2304 NACHI 23048A2XK CX NJ2304E AST NJ2304EM NACHI 23048EK NACHI NU2304 FAG NUP2304-E-TVP2
• BEARING POWER International Trading Co.,Ltd. specialize in NJ2304E products，there is large inventory of AST NJ2304 E . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ2304 E Which AST NJ2304E 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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