(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：2025-04-22
• Application:sample cup,car,bathroom facilities,Medical printer,van,tube,natural instruments,instrument,ventilation fans,supporting facilities,other accessories
• Similar models:KOYO 6311N KOYO 6311ZZ CYSD 6311 NTN 6311LU KBC 6311ZZ NKE 6311-NR NSK 6311ZZ NTN-SNR 6311ZZ KOYO 6311-2RS ISB 6311-ZZNR
• 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
  14585/14525	34,925	68,262	20,638	ISO	Tapered Roller Bearings
  20218-MB	90	160	30	FAG	Spherical Roller Bearings
  23252 KCW33+H2352	260	480	174	ISO	Spherical Roller Bearings
  23992-K-MB-W33	460	620	118	NKE	Spherical Roller Bearings
  23972 KCW33+H3972	360	480	90	ISO	Spherical Roller Bearings
  31309	45	100	27,25	ISO	Tapered Roller Bearings
  32208	40	80	24,75	CRAFT	Tapered Roller Bearings
  33225/33461	57,15		30,162	KOYO	Tapered Roller Bearings
  BXRE202-2Z	15	35	11	INA	Needle Roller Bearings
  GEBK28S	28	62		AST	Plain Bearings
  K3x5x7TN	3	5		SKF	Needle Roller Bearings
  KT 212610	21	26		IKO	Needle Roller Bearings
  LJT11	279,4	444,5	57,15	RHP	Angular Contact Ball Bearings
  SMR106	6	10	2,5	AST	Deep Groove Ball Bearings
  NAO15x32x12	15	32	12	FAG	NEEDLE BEARINGS
  81204			6.5	FAG	THRUST ROLLER BEARINGS
  GE17DO	17	30	14	INA	SPHERICAL PLAIN BEARINGS
  FJ-4020	47		20	NSK	NEEDLE BEARINGS
  HK3022RS	37		22	SKF	NEEDLE BEARING
  NF203	17	40	12	STEYR	CYLINDRICAL ROLLER BEARINGS