d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 75.34 mm

D₂ - - 103.7 mm

D₃ - 115.21 mm

D₄ - 129.7 mm

b - 3.1 mm

C - 4.06 mm

f - 2.82 mm

r₀ - 0.6 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

d_a - max. - 75.2 mm

D_a - max. - 109 mm

D_b - min. - 131 mm

b_a - min. - 3.5 mm

C_a - max. - 6.88 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 79.2 kN

Basic static load rating - C₀ - 67 kN

Fatigue load limit - P_u - 2.8 kN

Reference speed - 10000 r/min

Limiting speed - 5000 r/min

Calculation factor minimum radial load - k_r - 0.05

Mass bearing - 1.5 kg

Snap ring - SP 120

• Model Number: 311-2ZNR
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:shaft milling machine,Switch,test equipment,mobile toilet,chamfer,fabric products,Broadcasting System,Chromatography Products,chamfering machine etc,rolling mill roll neck and slowdown device,Low-voltage electrical equipment
• Similar models:Timken 9311K Timken 311KDDG NSK 6311 NTN 6311LU ISO 6311ZZ SKF 6311/VA201 CX UK211+H2311 ISB 6311-RS NSK 6311NR SNR UK311+H
• BEARING POWER International Trading Co.,Ltd. specialize in 311-2ZNR products，there is large inventory of SKF 311-2ZNR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-2ZNR Which SKF 311-2ZNR 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.

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  45KWD03	45	78	40	NSK	Tapered Roller Bearings
  4T-30205	25	52	16,25	NTN	Tapered Roller Bearings
  51109	45	65	14	ISB	Thrust Ball Bearings
  51138 M	190	240	37	ISB	Thrust Ball Bearings
  6908LLH	40,000	62,000	12,000	NTN	Deep Groove Ball Bearings
  7340 A	200	420	80	ISO	Angular Contact Ball Bearings
  CRO-13401	670	960	700	NTN	Tapered Roller Bearings
  KGSC25-PP-AS	25			INA	Linear Bearings
  Q214	70	125	24	ISO	Angular Contact Ball Bearings
  M-34161	53.975	63.500	25.40	KOYO	Needle Roller Bearings
  NA4008 V	40	68	28	ISO	Needle Roller Bearings
  NNC4938-V	190	260	69	NKE	Cylindrical Roller Bearings
  NNU4956	280	380	100	ISO	Cylindrical Roller Bearings
  NUP29/1000	1000	1320	185	CX	Cylindrical Roller Bearings
  310KG	50	110	27	FAF	DEEP GROOVE BALL BEARINGS
  F602	2	7	2.8	Nachi	DEEP GROOVE BALL BEARINGS
  SNZ-217..20217	85	75	90	CONSOLIDATED	PILLOW BLOCKS