d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

da min. - 64 mm

Da max. - 111 mm

ra max. - 2 mm

Weight - 1.58 Kg

Basic dynamic load rating (C) - 51.3 kN

Basic static load rating (C0) - 17.9 kN

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 6200 r/min

Calculation factor (e) - 0.23

Calculation factor (Y0) - 2.83

Calculation factor (Y1) - 2.70

Calculation factor (Y2) - 4.18

• Model Number:1311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-16
• Application:security equipment,ultra-quiet generators,Hydraulic Hose,non-motor vehicle Electric car,Digital Generator,Leather Products,Plastic molding,key lock,medical equipment,Wire grinder,rubber products machinery and equipment
• Similar models:SKF 1311EKTN9 CX 1311K+H311 NKE 1311-K NSK 1311K NSK 1311 ISB 1311KTN9+H311 NKE 1311 CRAFT 1311 NACHI 1311 NACHI 1311K
• BEARING POWER International Trading Co.,Ltd. specialize in 1311 products，there is large inventory of KOYO 1311 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 1311 Which KOYO 1311 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
  1211	55	100	21	SIGMA	Self-Aligning Ball Bearings
  1607-2RS	11,1125	23,01748	7,9375	FBJ	Deep Groove Ball Bearings
  24052RHA	260	400	140	KOYO	Spherical Roller Bearings
  32210F	50	90	24,75	Fersa	Tapered Roller Bearings
  39589/39520	66,675	112,712	30,162	Timken	Tapered Roller Bearings
  33030JR	150	225	59	KOYO	Tapered Roller Bearings
  4312	60	130	46	CX	Deep Groove Ball Bearings
  6014-RSR	70	110	20	NKE	Deep Groove Ball Bearings
  619/1060 MB	1400	1060	150	SKF	Deep Groove Ball Bearings
  CRD-6135	305	560	200	NTN	Tapered Roller Bearings
  HK 5012	50	58	12	NBS	Needle Roller Bearings
  KTV 91214 EG	9	12		IKO	Needle Roller Bearings
  KGSNG20-PP-AS	20	32	45	INA	Linear Bearings
  SA4-150	150	220	120	NTN	Plain Bearings
  TAM 1225	12	19	25	IKO	Needle Roller Bearings
  TAF121912	19		12	IKO	NEEDLE BEARINGS
  81108			6	INA	THRUST ROLLER BEARINGS
  FPCD2000	20.0000	21.0000	.5000	SKF	DEEP GROOVE BALL BEARINGS
  BLN45	45	100	25	RIV	DEEP GROOVE BALL BEARINGS
  62213-2RS	65	120	31	CONSOLIDATED	DEEP GROOVE BALL BEARINGS