(dimensions in mm)

Bearing Type - NU

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 29.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 143,000

Static Load Rating (Cor) - 150,000

Max Speed (Grease) (X1000 RPM) - 5

Max Speed (Oil) (X1000 RPM) - 6

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

Weight (g) - 1,500.00

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: NU311 ETN
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-10
• Application:Gripper Swing,Broadcasting System,car steering pin,cooling system,car instrument,luminescent reagent,Dental Drill etc,machining,scientific instruments,gas turbine,Laser Cutting
• Similar models:NKE NJ2311-E-MPA ISO N311 NKE NUP2311-E-MA6 ISB NJ311 FAG N311-E-TVP2 AST NU311ETN FBJ NJ311 NKE NJ311-E-MPA+HJ311-E NKE NUP311-E-MA6 ISO NU2311
• BEARING POWER International Trading Co.,Ltd. specialize in NU311ETN products，there is large inventory of AST NU311 ETN . We has been built up long-term cooperation with AST company, could make a bulk order of the NU311 ETN Which AST NU311ETN 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
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  61804	20	32	7	ISB	Deep Groove Ball Bearings
  6222N	110	200	38	KOYO	Deep Groove Ball Bearings
  623	3	10	4	CRAFT	Deep Groove Ball Bearings
  6308UU	40	90	23	KBC	Deep Groove Ball Bearings
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  6932Z	160,000	220,000	28,000	NTN	Deep Groove Ball Bearings
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  R150.20				SNR	Wheel Bearings
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  KM27			22	SKF	LOCKNUTS