d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

a - 61.3 mm

r min. - 2 mm

da min. - 65 mm

Da max. - 110 mm

ra max. - 2 mm

Weight - 1.72 Kg

Basic dynamic load rating (C) - 119 kN

Basic static load rating (C0) - 98.5 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6200 r/min

• Model Number: 6311BI
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-17
• Application:turret industry,hanging clamp,milling head plug,other lathe,water protection,gas turbine,wheel lathe,van,extruder,pneumatic Pump,Machine Tool Accessories
• Similar models:KOYO 6311BI
• BEARING POWER International Trading Co.,Ltd. specialize in 6311BI products，there is large inventory of KOYO 6311BI . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6311BI Which KOYO 6311BI 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
  3207-B-2Z-TV	35	72	27	NKE	Angular Contact Ball Bearings
  23034 KCW33+AH3034	170	260	67	CX	Spherical Roller Bearings
  2321K+H2321	105	225	77	ISO	Self-Aligning Ball Bearings
  30260	300	540	96	NACHI	Tapered Roller Bearings
  3201A-2Z	12	32	15,9	SKF	Angular Contact Ball Bearings
  355X/354-B	44,45	85	21,692	Timken	Tapered Roller Bearings
  53313U+U313	65	115		CX	Thrust Ball Bearings
  545112/545141A	285,75	358,775	33,338	NTN	Tapered Roller Bearings
  6344	220	460	88	KOYO	Deep Groove Ball Bearings
  67390D/67320	133,35	203,2	92,075	Timken	Tapered Roller Bearings
  7212	60	110	22	CYSD	Angular Contact Ball Bearings
  ARX14X29.5X4.8	14,000	29,500	4,870	NTN	Needle Roller Bearings
  N2952	260	360	60	CX	Cylindrical Roller Bearings
  SAL14T/K	14			CRAFT	Plain Bearings
  SS 6308	40	90	23	ISB	Deep Groove Ball Bearings
  YELAG208-108	38,1	80	42,8	SKF	Deep Groove Ball Bearings
  LAG8x16x25A	8	16	25	FAG	LINEAR RECIRCULATING BALL BEARINGS
  RLS-25	7.0000	12.0000	1.7500	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-40x47x18	40	47	18	CONSOLIDATED	NEEDLE BEARINGS
  63812-2RS	60	78	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS