(dimensions in mm)

Bearing Type - Sealed

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 (Ui) - 15.3

Min. Housing Shoulder Dia., Outer (Uo) - 25.280

Ball Qty - 7

Ball Dia (Dw) - 4.7620

Weight (g) - 37.10

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.

Two rubber seals = (2RS), also available with a single rubber seal = (RS).

Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)

• Model Number:639H-2RS
• Inner Diameter：9mm Outer Diameter：30mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:industrial supplies,Hair styling device,Ball screw,Leather Products,sewage pump,Industrial,water,Spectrum Products,physical instruments,industry test,position switch
• Similar models:SKF W639/2.5R-2ZS NSK 639 AST 639H SKF W639/3-2Z SKF W639/3R-2RS1 ISB SS639/2-ZZ CYSD 1639-2RS KOYO 639 SKF W639-2Z NSK 639ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 639H-2RS products，there is large inventory of AST 639H-2RS . We has been built up long-term cooperation with AST company, could make a bulk order of the 639H-2RS Which AST 639H-2RS 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
  23188 EKW33+AOHX3188	420	720	226	ISB	Spherical Roller Bearings
  71802 C	15	24	5	ISO	Angular Contact Ball Bearings
  67390D/67322+Y1S-67322	133,35	196,85	92,075	Timken	Tapered Roller Bearings
  7322CDB	110,000	240,000	100,000	NTN	Angular Contact Ball Bearings
  CSXD040	101,6	127	12,7	INA	Deep Groove Ball Bearings
  HSS71902-C-T-P4S	15	28	7	FAG	Angular Contact Ball Bearings
  NN4872 K	360	440	80	CX	Cylindrical Roller Bearings
  RNA6917R	100	120	63	NTN	Needle Roller Bearings
  RNAO35x45x26	35	45	26	SKF	Needle Roller Bearings
  SY 50 TR	50			SKF	Bearing Units
  I-71220	72	1.2500	17	FED	SELF
  634hZZ	4	16	5	ISC	DEEP GROOVE BALL BEARINGS
  CFH-17/8-SB	1.0000	1.8750	1.0000	McGill	NEEDLE BEARINGS
  203-SZG	17	40	12	MRC	DEEP GROOVE BALL BEARINGS
  FTRA-2035	20	35		NSK	THRUST NEEDLE BEARINGS
  7000CXHCP4A	10	26	8	SKF	ANGULAR CONTACT BALL BEARINGS
  RNAF45x55x17	55		17	SKF (Old No.)	NEEDLE BEARINGS
  6204-2RS	47	20	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  IR-32x40x36	32		36	CONSOLIDATED	NEEDLE BEARINGS
  ZSL192317	85	180	60	CONSOLIDATED	CYLINDRICAL ROLLER BEARING