(dimensions in mm)

Bearing Type - double row self-aligning

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 43.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 76,500

Static Load Rating (Cor) - 24,000

Max Speed (Grease) (X1000 RPM) - 4,800

Max Speed (Oil) (X1000 RPM) - 6,000

Max. Shaft Shoulder Dia. Inner (Li) - 64.0

Min. Housing Shoulder Dia., Outer (Lo) - 111.0

Weight (g) - 2,030.00

Precision - A1

Standard Clearance - C0

Material - 52100 Chrome steel (or equivalent)

The maximum recommended angular misalignment is 4 degrees. When the bearing is misaligned, the applied dynamic radial load must be less than 10% of the dynamic capacity.

This bearing is also available with a tapered bore, add a suffix "K" after the four digit number.

• Model Number: 2311
• Inner Diameter：55mm Outer Diameter：120mm Width：43mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-17
• Application:Polymer,medical equipment,stirrer,Broadcasting System,electric hydraulic lifting platform,glass,shaft milling machine,Microwave Equipment,injection molding machine,roller lathe,clean stationery
• Similar models:AST 2311 ISO 2311K+H2311 ISB 2311 CX 2311K+H2311 FAG 2311-K-TVH-C3+H2311 NACHI 2311K FAG 2311-2RS-TVH SNR 2311G15 KOYO 2311-2RS SKF 2311K
• BEARING POWER International Trading Co.,Ltd. specialize in 2311 products，there is large inventory of AST 2311 . We has been built up long-term cooperation with AST company, could make a bulk order of the 2311 Which AST 2311 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
  1214K+H214	70	125	24	ISO	Self-Aligning Ball Bearings
  16020	100,000	150,000	16,000	NTN-SNR	Deep Groove Ball Bearings
  23936-S-MB	180	250	52	FAG	Spherical Roller Bearings
  30206J	30	62	17.25	KBC	Tapered Roller Bearings
  6226-RS	130	230	40	CYSD	Deep Groove Ball Bearings
  6805LU	25,000	37,000	7,000	NTN	Deep Groove Ball Bearings
  7019 BDF	95	145	48	ISO	Angular Contact Ball Bearings
  7210-B-TVP	50	90	20	FAG	Angular Contact Ball Bearings
  7407 A	35	100	25	ISO	Angular Contact Ball Bearings
  87762/87111	193,675	282,575	50,8	CX	Tapered Roller Bearings
  AST850SM 9560	95	100		AST	Plain Bearings
  GEG10E	10	22	12	LS	Plain Bearings
  NUP319	95	200	45	NTN	Cylindrical Roller Bearings
  PCM 8085100 M	80	85	100	SKF	Plain Bearings
  NJ2314E	70	150	51	FAG	CYLINDRICAL ROLLER BEARINGS
  SSR-1950	5	19	6	NMB	DEEP GROOVE BALL BEARINGS
  BK3518RS	42		18	SKF	NEEDLE BEARINGS
  209	85	45	19	NH	DEEP GROOVE BALL BEARINGS
  RHNA404720-2RS	47		20	SKF (Old No.)	NEEDLE BEARINGS
  SS1640-2RS	.8750	2.0000	.5625	CONSOLIDATED	DEEP GROOVE BALL BEARINGS