d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

b - 3,1 mm

d1 - 75,3 mm

f - 2,82 mm

r0 max. - 0,6 mm

r1 min. - 2 mm

r2 min. - 2 mm

C - 4,06 mm

D2 - 104 mm

D3 - 115,21 mm

D4 - 129,7 mm

ba min. - 3,5 mm

Ca max. - 6,88 mm

da min. - 66 mm

da max - 75,2 mm

Da max. - 109 mm

Db min. - 131 mm

ra max. - 2 mm

Weight - 1,5 Kg

Basic dynamic load rating (C) - 79,2 kN

Basic static load rating (C0) - 67 kN

Fatigue load limit (Pu) - 2,85

Reference speed - 10000 r/min

Limiting speed - 6300 r/min

Calculation factor (kr) - 0,05

• Model Number:311NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-04
• Application:other CNC,food safety,Dental Drill etc,surgical instruments,medical Equipment,coal mill,SPA equipment,Embroidery,packaging machinery,test equipment,sanitation facilities
• Similar models:SKF 311-2Z Timken W311KLL NTN 6311LLBNR NSK 6311 CRAFT 6311-2RS SNR UC311 NTN 6311Z SKF W6007-2RS1/VP311 Timken 311WDD ISO 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 311NR products，there is large inventory of SKF 311NR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311NR Which SKF 311NR 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
  131092X/131152XH	92,075	152,4	75	Gamet	Tapered Roller Bearings
  241/530 ECAK30/W33	870	530	335	SKF	Spherical Roller Bearings
  24036 CW33	180	280	100	CX	Spherical Roller Bearings
  593A/592A	88,9	152,4	39,688	ISO	Tapered Roller Bearings
  6204NR	20,000	47,000	14,000	NTN-SNR	Deep Groove Ball Bearings
  6214	125	70	24	SKF	Deep Groove Ball Bearings
  CRD-3622	180	400	232	NTN	Tapered Roller Bearings
  HSS7013-E-T-P4S	65	100	18	FAG	Angular Contact Ball Bearings
  K15X20X13	15,000	20,000		NTN	Needle Roller Bearings
  NA5912	60	85	34	NTN	Needle Roller Bearings
  NCF2209 V	45	85	23	CX	Cylindrical Roller Bearings
  NU1026	130	200	33	CYSD	Cylindrical Roller Bearings
  TNB44187S01	35	68	20	SNR	Needle Roller Bearings
  WRS394443	39	44	43	KOYO	Needle Roller Bearings
  NUKR72C	24	72	29	FAG	NEEDLE BEARINGS
  SN518	80		100	SKF	PILLOW BLOCKS
  20310	50	110	27	SKF	SPHERICAL ROLLER BEARINGS
  HJ-2213E	65		6	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SNZ-220..1220	100	90	110	CONSOLIDATED	PILLOW BLOCKS
  71952TGP/4	260	360	46	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS