(dimensions in mm)

Bearing Type - NJ

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 43.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 187,300

Static Load Rating (Cor) - 213,000

Max Speed (Grease) (X1000 RPM) - 5

Max Speed (Oil) (X1000 RPM) - 6

Max. Shaft Shoulder Dia. Inner (Li) - 70.5

Min. Housing Shoulder Dia., Outer (Lo) - 106.5

Weight (g) - 2,565.00

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:NJ2311 EMA
• Inner Diameter：55mm Outer Diameter：120mm Width：43mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:wire industry,cooling system,Cylinder Type,Pneumatic Control Valves,lathe,spectrometer,stacker lift platform,food add,animal,Laser Devices,gear grinding machine
• Similar models:NACHI 22311AEXK INA ZSL192311 CX NU2311E SNR NJ2311EG15 SIGMA N2311 KOYO NJ2311R NSK NU2311ET KOYO NUP2311 AST NJ2311EM ISB NJ2311
• BEARING POWER International Trading Co.,Ltd. specialize in NJ2311EMA products，there is large inventory of AST NJ2311 EMA . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ2311 EMA Which AST NJ2311EMA 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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