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 - 6300 r/min

Calculation factor minimum radial load - k_r - 0.05

Mass bearing - 1.5 kg

Snap ring - SP 120

• Model Number:311-ZNR
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-05
• Application:joint protection,ventilator anesthesia machine etc,physical instruments,non-motor vehicle Electric car,Broadcasting System,Pneumatic Actuator,set bacteria instrument,Automobile,Cylinder Micro,root canal filling,aerial work platform
• Similar models:NTN-SNR 6311 SNR UK311+H FBJ 4311 SKF 6311-2Z/VA201 SKF W6204-2RS1/VP311 NSK 6311NR CX 62311-2RS NKE 6311-Z-N ISB 6311-RS NTN 63311ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 311-ZNR products，there is large inventory of SKF 311-ZNR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-ZNR Which SKF 311-ZNR 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
  21317VCSM	85	180	41	Timken	Spherical Roller Bearings
  29413 M	65	140		CX	Thrust Roller Bearings
  32321	105	225	81,5	NTN	Tapered Roller Bearings
  5S-2LA-HSE019ADG/GNP42	95	145	24	NTN	Angular Contact Ball Bearings
  7012 CE/P4AL	95	60	18	SKF	Angular Contact Ball Bearings
  7205BEA	25	52	15	NSK	Angular Contact Ball Bearings
  7309 ADF	45	100	50	ISO	Angular Contact Ball Bearings
  HM231140/10	146,05	236,538	57,15	ISO	Tapered Roller Bearings
  KT 142017	14	20		IKO	Needle Roller Bearings
  LME20UUOP	20	32	31,5	Samick	Linear Bearings
  NJ2307	35	80	31	ISO	Cylindrical Roller Bearings
  NUP20/630	630	920	170	ISO	Cylindrical Roller Bearings
  PCM 182015 E	18	20	15	SKF	Plain Bearings
  RCJT50-N	50			NKE	Bearing Units
  ELn180	180	280	31	RIV	DEEP GROOVE BALL BEARINGS
  RTWM-608				Andrews	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING
  NUKRE40X	40		20	INA	NEEDLE ROLLERS
  WBC4-8ZZA	4	8	3	NTN	DEEP GROOVE BALL BEARINGS
  292/630EM	630	850		CONSOLIDATED	SPHERICAL ROLLER THRUST BEARINGS
  6309-ZZNR	45	100	25	CONSOLIDATED	DEEP GROOVE BALL BEARINGS