(dimensions in mm)

Bearing Type - Open

Bore Dia (d) - 9.0000

Outer Dia (D) - 30.0000

Width (B) - 10.0000

Radius (min) (rs) - 0.600

Dynamic Load Rating (Cr) - 3,960

Static Load Rating (Cor) - 1,664

Max Speed (Grease) (X1000 RPM) - 24

Max Speed (Oil) (X1000 RPM) - 30

Max. Shaft Shoulder Dia. Inner (Li) - 16.5

Min. Housing Shoulder Dia., Outer (Lo) - 23.5

Ball Qty - 7

Ball Dia (Dw) - 4.7620

Weight (g) - 36.20

Precision - A1

Standard Clearance - K25

Material - Martensitic Stainless Steel

Also available in 52100 Chrome Steel

ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.

• Model Number:639H
• Inner Diameter：9mm Outer Diameter：30mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:cleaning agent,Gripper Swing,equipment,extruder,physical instruments,top industry,heating fans,gear grinding machine,Dental Drill etc,circulating pump,test equipment
• Similar models:FBJ 639 AST 639H CYSD 1639-RS SKF W639/2.5-2ZS ISO 639-2RS ISB SS639/3-ZZ ISO 639ZZ SKF W639-2RZ SKF W639/3R-2Z SKF W639-2RS1
• BEARING POWER International Trading Co.,Ltd. specialize in 639H products，there is large inventory of AST 639H . We has been built up long-term cooperation with AST company, could make a bulk order of the 639H Which AST 639H 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
  2318	90	190	64	ISB	Self-Aligning Ball Bearings
  23134AXK	170	280	88	NACHI	Cylindrical Roller Bearings
  234706B	32	55	32	KOYO	Thrust Ball Bearings
  306/304.8	304,8	546,1	171,053	ISB	Tapered Roller Bearings
  34R4238	34	42	38	KOYO	Needle Roller Bearings
  497A/492A	85,725	133,35	30,162	ISO	Tapered Roller Bearings
  6904NKE	20	37	9	NACHI	Deep Groove Ball Bearings
  AST50 88IB64	139,7			AST	Plain Bearings
  F-207555.6	29	46	18,15	INA	Cylindrical Roller Bearings
  IJ123056				ILJIN	Angular Contact Ball Bearings
  HM926740/10	114,3	228,6	53,975	CX	Tapered Roller Bearings
  KT 91213	9	12		IKO	Needle Roller Bearings
  NJ338	190	400	78	NTN	Cylindrical Roller Bearings
  NKIS65	65	95	28	INA	Needle Roller Bearings
  NU 2305 ECJ	62	25	24	SKF	Thrust Ball Bearings
  SAF-511	2.0000			FAG	PILLOW BLOCKS
  BB1652	5.0025	45	25	McGill	MAST GUIDE BEARINGS
  6215RSNR	75	130	25	STEYR	DEEP GROOVE BALL BEARINGS
  N217	85	150	28	SKF	CYLINDRICAL ROLLER BEARINGS
  8502NR	15	35	.4330	CONSOLIDATED	DEEP GROOVE BALL BEARINGS