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 - 5000 r/min

Calculation factor - k_r - 0.05

Mass bearing - 1.5 kg

• Model Number:311-2Z
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:historical instruments,Low-voltage electrical equipment,tooth filling,stamping die,Spectrum Products,Broadcasting System,atomizer class,hydraulic control element,beverage production,rubber products machinery and equipment,dye pigments
• Similar models:ZEN 6311-2Z FYH UC311-32 CX 6311-2RS SIGMA 62311-2RS NACHI 6311NR SNR EX311-32 ISO 62311-2RS NSK BL311Z NACHI UK311+H2311 KOYO UK311
• BEARING POWER International Trading Co.,Ltd. specialize in 311-2Z products，there is large inventory of SKF 311-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-2Z Which SKF 311-2Z 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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  5201-2NS	12	32	15.9	NACHI	Angular Contact Ball Bearings
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  7860B	300	380	38	NSK	Angular Contact Ball Bearings
  GEH160XT	160	230		AST	Plain Bearings
  HJ-162416	25,4	38,1	25,4	KOYO	Needle Roller Bearings
  K 70x78x30	70	78		NBS	Needle Roller Bearings
  NU1016	80	125	22	CX	Cylindrical Roller Bearings
  NU344 E	220	460	88	CX	Cylindrical Roller Bearings
  SL06 034 E	170	260	95	INA	Cylindrical Roller Bearings
  WJ-101414	15,875	22,225		NSK	Needle Roller Bearings
  X30203/Y30203	17	40	13,25	Timken	Tapered Roller Bearings
  216RDU#7BKE	80	140	26	MRC	ANGULAR CONTACT BALL BEARINGS
  RMS14	1.7500	4.2500	1.0625	NH	CYLINDRICAL ROLLER BEARINGS
  RM-32	4.0000	8.5000	1.7500	SKF	SELF
  16022	110	170	19	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  63822-ZZ	110	140	23	CONSOLIDATED	DEEP GROOVE BALL BEARINGS