(dimensions in mm)

Bearing Type - NJ

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 29.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 134,000

Static Load Rating (Cor) - 138,000

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) - 1,845.00

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: NJ311 EMA
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:Reflective Materials Industrial fabrics,tooth filling,Antenna Potentials,medical equipment,car shock absorber,stirrer,Hydraulic Hose,motor,Antenna Industry,miscellaneous instruments,altimeter etc
• Similar models:NKE N311-E-M6 CX NUP2311E INA 712131110 SIGMA NU311 FBJ NF311 NTN NF311E SIGMA N2311 NACHI 22311AEX ISO NJF2311V KOYO NUP2311R
• BEARING POWER International Trading Co.,Ltd. specialize in NJ311EMA products，there is large inventory of AST NJ311 EMA . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ311 EMA Which AST NJ311EMA 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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  4454	127	184,15	41,28	INA	Thrust Ball Bearings
  6012LUZ	60,000	95,000	18,000	NTN	Deep Groove Ball Bearings
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  AST11 4550	45	50		AST	Plain Bearings
  GIKFL 18 PW	18	35	23	INA	Plain Bearings
  GE850-DO	850	1120	365	INA	Plain Bearings
  KFA070	177,8	215,9	19,05	KOYO	Angular Contact Ball Bearings
  NAO70x100x30	70	100		CX	Cylindrical Roller Bearings
  NJ 2312	60	130	46	NACHI	Cylindrical Roller Bearings
  NJ219-E-M6	95	170	32	NKE	Cylindrical Roller Bearings
  NJ228	140	250	42	CRAFT	Cylindrical Roller Bearings
  NU 2209 ECP	85	45	23	SKF	Thrust Ball Bearings
  NUP330 E	150	320	65	CX	Cylindrical Roller Bearings
  RB4860	300	380	80	NACHI	Cylindrical Roller Bearings
  YT 2428	24	31	28	IKO	Needle Roller Bearings
  NNC4830V.C3	150	190	40	FAG	CYLINDRICAL ROLLER BEARINGS
  222S.207	130	88	31	FAG	SPLIT SPHERICAL ROLLER BEARINGS
  K-17020CPO	170	210	20	CONSOLIDATED	DEEP GROOVE BALL BEARINGS