(dimensions in mm)

Bearing Type - Shielded

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 29.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 71,600

Static Load Rating (Cor) - 45,000

Max Speed (Grease) (X1000 RPM) - 6

Max Speed (Oil) (X1000 RPM) - 7

Max. Shaft Shoulder Dia. Inner (Ui) - 72.5

Min. Housing Shoulder Dia., Outer (Uo) - 111.000

Ball Qty - 8

Ball Dia (Dw) - 20.6380

Weight (g) - 1,350.00

Precision - A1

Standard Clearance - C0

Material - 52100 Chrome steel (or equivalent)

ABEC Grades 1, 3, 5, 7, and 9 are available.

Two metal shields = (ZZ), also available with a single metal shield = (Z).

• Model Number:6311ZZ
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:container finishing,lathe,Automobile,standing experimental equipment,agriculture,static control,sucker industry,car instrument,Pneumatic Actuator,packaging materials,food packaging
• Similar models:ISB 6311 NTN 6311ZZD2 SKF 6311-RS1 NKE 6311-Z-NR NACHI 6311-2NKE NTN 6311LLU CRAFT 6311ZZ ISB SS6311 NSK 6311ZZ SKF 6311-2ZNR
• BEARING POWER International Trading Co.,Ltd. specialize in 6311ZZ products，there is large inventory of AST 6311ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the 6311ZZ Which AST 6311ZZ 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
  2310	50	110	40	CRAFT	Self-Aligning Ball Bearings
  51115	75	100	19	ISB	Thrust Ball Bearings
  HTA018DB	90	140	22,5	NTN	Angular Contact Ball Bearings
  E 240 /S/NS 7CE1	40	80	18	SNFA	Angular Contact Ball Bearings
  GB10890S01	22,5	52,02	25	SNR	Angular Contact Ball Bearings
  GE 032/62 XES	32	62	30	ISO	Plain Bearings
  GE 260 ES	260	370	150	ISO	Plain Bearings
  LM603049/LM603014	45,242	79,974	19,842	FBJ	Tapered Roller Bearings
  LUCF 12		12		SKF	Linear Bearings
  NJ2864	320	400	48	CX	Cylindrical Roller Bearings
  221K	190	105	36	FAF	DEEP GROOVE BALL BEARINGS
  NJ2004E	20	42	14	FAG	CYLINDRICAL ROLLER BEARINGS
  NAXR25	37	25		FAG	NEEDLE BEARINGS
  KM32			25	FAG	LOCKNUTS
  SD-3134	6.0000			SKF	PILLOW BLOCKS
  NAS5016UUNR	80	125	60	IKO	CYLINDRICAL ROLLER BEARINGS
  NKIS15	15	35	20	INA	NEEDLE BEARINGS
  320-S	100	215	47	MRC	DEEP GROOVE BALL BEARINGS
  4204	20	47	18	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HJ-1080	400		23	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS