(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：2025-12-25
• Application:medical treatment,trolley,laser devices,Generator,sheet industry,packing equipment,security equipment,Equipment,pump industry,top industry,Optical detection
• Similar models:KOYO NJ311R CX NU311E FBJ NJ2311 KOYO NU3311 CYSD NJ2311E NSK NUP311EW SIGMA A5311WB AST NJ311EMA NACHI NU2311 NKE NUP311-E-TVP3
• 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
  230SM240-MA	240	400	104	FAG	Spherical Roller Bearings
  30226U	130	230	43,75	NTN	Tapered Roller Bearings
  6024Z	120	180	28	NACHI	Deep Groove Ball Bearings
  K12×17×13	12	17		NTN	Needle Roller Bearings
  JM515649/JM515610	80	130	35	NSK	Tapered Roller Bearings
  K81112-TV	60	85	7,5	INA	Thrust Roller Bearings
  KBK17X22X22	17,000	22,000		NTN	Needle Roller Bearings
  NK21/16R	21	29	16	NTN	Needle Roller Bearings
  N317ECP	85	180	41	SKF	Cylindrical Roller Bearings
  NU222-E-MA6	110	200	38	NKE	Cylindrical Roller Bearings
  PASE17	17		30	NKE	Bearing Units
  R-1560X13KK	6	15	5	NMB	Deep Groove Ball Bearings
  NU29/950E	950	1250	175	FAG	CYLINDRICAL ROLLER BEARINGS
  SAF-510	1.6875			SKF	PILLOW BLOCKS
  AHX317	85	80		SKF	WITHDRAWAL SLEEVES
  UC204-012D1	.7500	1.8500	.6690	NTN	PILLOW BLOCKS
  6906ZZ	30	47	9	NSK	DEEP GROOVE BALL BEARINGS
  FPAG800	8.0000	10.0000	1.0000	SKF	ANGULAR CONTACT BALL BEARINGS
  NUP-301	12	37	12	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SPB-32	2.0000		5.2500	CONSOLIDATED	LINEAR RECIRCULATING BALL BEARINGS PILLOW BLOCKS