(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) - 134,800

Static Load Rating (Cor) - 139,400

Max Speed (Grease) (X1000 RPM) - 6

Max Speed (Oil) (X1000 RPM) - 8

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

Weight (g) - 1,610.00

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 EFX
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:Forging machine,pump,coal,other lathe,Food testing,Gripper Swing,municipal machinery,power protection,medical equipment,car steering pin,teaching equipment
• Similar models:NSK NU311EM SIGMA N311 FBJ NJ311 SKF NU311ECM/C3VL0241 CX NJ311E KOYO NJ2311R ISO NU2311 NKE NJ311-E-MPA+HJ311-E NACHI NUP2311E ISO NU311
• BEARING POWER International Trading Co.,Ltd. specialize in NJ311EFX products，there is large inventory of AST NJ311 EFX . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ311 EFX Which AST NJ311EFX 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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  4T-HM231149/HM231110	149,225	236,538	57,15	NTN	Tapered Roller Bearings
  54313U+U313	67			ISO	Thrust Ball Bearings
  6210ZZE	50	90	20	NACHI	Deep Groove Ball Bearings
  6919NR	95	130	18	NACHI	Deep Groove Ball Bearings
  713667010				FAG	Wheel Bearings
  E45-KLL	45	85	56,5	INA	Deep Groove Ball Bearings
  EE911618/912400	411,162	609,6	92,075	NSK	Cylindrical Roller Bearings
  K20×25×40ZW	20	25		NTN	Needle Roller Bearings
  NA4922	110	150	40	ISO	Needle Roller Bearings
  NJ1984	420	560	65	ISO	Cylindrical Roller Bearings
  NJ2314 ET	70	150	51	NSK	Cylindrical Roller Bearings
  NU2076	380	560	106	CX	Cylindrical Roller Bearings
  PF 45 TF	45	3,5	10,5	SKF	Bearing Units
  SBPFL204	20		25	KOYO	Bearing Units
  UCPX09	45		51.6	NACHI	Bearing Units
  62801-2Z	12	21	6	ELGES	DEEP GROOVE BALL BEARINGS
  R200P	100	180	34	HOFF	CYLINDRICAL ROLLER BEARINGS
  SN622	100		130	SKF	PILLOW BLOCKS
  SUCTF-207-22	1.3750			IPTCI	THERMOPLASTIC PILLOW BLOCKS
  305707-ZZ	35	80	27	CONSOLIDATED	YOKE TYPE TRACK ROLLERS