d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 75.34 mm

D₂ - - 103.7 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

d_a - max. - 75.2 mm

D_a - max. - 109 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 - k_r - 0.05

Mass bearing - 1.5 kg

• Model Number: 311-Z
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:fruit and vegetable processing,hydraulic pressure gauge,switch,boring bar boring bar,gear grinding machine,position switch,other processing,stamping die and its equipment,ventilator anesthesia machine etc,Pneumatic Actuator,magnetic elements
• Similar models:FBJ 4311 SKF W6202-2RS1/VP311 SKF W6007-2RS1/VP311 SKF E2.6311-2Z NTN 6311ZNR CYSD 4311 NSK BL311Z NKE 6311-N KOYO UK311L3 SKF W6004-2RS1/VP311
• BEARING POWER International Trading Co.,Ltd. specialize in 311-Z products，there is large inventory of SKF 311-Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-Z Which SKF 311-Z 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
  234709	47	75	38	ISO	Thrust Ball Bearings
  32220	100	180	49	MPZ	Tapered Roller Bearings
  3312-DA	60	130	54	FAG	Angular Contact Ball Bearings
  399AS/394DC+X1S-399A	68,262	110	52,388	Timken	Tapered Roller Bearings
  41125/41286	28,575	72,626	24,608	ISO	Tapered Roller Bearings
  60/28	28	52	12	ISO	Deep Groove Ball Bearings
  71813 A	65	85	10	ISO	Angular Contact Ball Bearings
  728 CD/P4A	24	8	8	SKF	Angular Contact Ball Bearings
  AST090 9035	90	95		AST	Plain Bearings
  BK 2216	22	28	16	NBS	Needle Roller Bearings
  GBR 202816	31,75	44,45	25,4	IKO	Needle Roller Bearings
  LM104947A/LM104911	50	82,55	21,59	NSK	Tapered Roller Bearings
  LMFP25LUU	25	40		Samick	Linear Bearings
  NU 2311 ECML	120	55	43	SKF	Thrust Ball Bearings
  NJ1048	240	360	56	FAG	CYLINDRICAL ROLLER BEARINGS
  WC488026	26	52	.6250	New Departure	DEEP GROOVE BALL BEARINGS
  9109	45	75	16	FED	DEEP GROOVE BALL BEARINGS
  RHNA121812	18		12	SKF (Old No.)	NEEDLE BEARINGS
  SS6301	12	37	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SCE-34			.2500	CONSOLIDATED	NEEDLE BEARINGS