d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

a - 4.06 mm

b - 3.1 mm

f - 2.82 mm

r min. - 2 mm

r1 min. - 0.5 mm

D1 - 115.21 mm

D2 - 129.7 mm

Weight - 1.37 Kg

Basic dynamic load rating (C) - 71,5 kN

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 5600 r/min

(Oil) Lubrication Speed - 6600 r/min

• Model Number:6311NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:cooling system,Spectral Products,Doppler,coal,screen filter,static control,Leather Products,rehabilitation training equipment,filter paper products,oral medical device,Flame Cutting
• Similar models:NACHI 6311-2NSE FAG 6311-2Z SIGMA 6311 ISB 6311-2RS ISB SS6311-2RS MB Bearing MR163110-2RS KOYO 6311NR NTN-SNR 6311NR NKE 6311-Z CRAFT 6311-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of NACHI 6311NR . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6311NR Which NACHI 6311NR 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
  1305K	25	62	17	ISO	Self-Aligning Ball Bearings
  17119/17245D+X4S-17119	30,162	62	39,688	Timken	Tapered Roller Bearings
  239/600 EKW33+OH39/600	560	800	150	ISB	Spherical Roller Bearings
  2318 K + H 2318	190	80	86	SKF	Self-Aligning Ball Bearings
  3NCHAC926C	130	180	24	KOYO	Angular Contact Ball Bearings
  61811-2RS1	72	55	9	SKF	Deep Groove Ball Bearings
  619/3-2RS	3	8	4	CX	Deep Groove Ball Bearings
  81216TN	80	115	28	NBS	Thrust Roller Bearings
  FBN-162120-E	16	21		NSK	Needle Roller Bearings
  NUP1292	460	830	165	CX	Cylindrical Roller Bearings
  RNA 4914	80	100	30	NBS	Needle Roller Bearings
  SAZJ11	11,1125		14,2748	AST	Plain Bearings
  SL06-016	80,000	120,000	45,000	NTN	Cylindrical Roller Bearings
  ZB1.25.0763.202-1RPTN	658	850	70	ISB	Thrust Ball Bearings
  W-37/8				FAG	THRUST BALL BEARINGS
  NF416	80	200	48	SKF	CYLINDRICAL ROLLER BEARINGS
  30220	100	180	34	SNR	TAPERED ROLLER BEARINGS
  638/9	9	17	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  D-19A	2.9687	1.6300		CONSOLIDATED	THRUST BALL BEARINGS
  GE-60SW	60	95	22	CONSOLIDATED	SPHERICAL PLAIN BEARINGS