d - 9 mm

D - 30 mm

B - 10 mm

C - 10 mm

r min. - 0,6 mm

da min. - 13 mm

Da max. - 26 mm

ra max. - 0,6 mm

Weight - 0,0365 Kg

Basic dynamic load rating (C) - 5,1 kN

Basic static load rating (C0) - 2,39 kN

(Grease) Lubrication Speed - 24 000 r/min

(Oil) Lubrication Speed - 30 000 r/min

• Model Number:639
• Inner Diameter：9mm Outer Diameter：30mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:product accessories,squeeze machine etc,directional control valve,Hydraulic Rama,baler,hydraulic control element,DC generators,printing machinery,industrial skin care,roller lathe,marine analysis and testing equipment
• Similar models:ISO 639-2RS SKF W639/2.5-2ZS SKF W639/2R-2Z CYSD 1639-RS SKF W639/1.5R-2Z CYSD 1639 AST 639H SKF W639/3R-2Z CYSD 1639-ZZ AST 639H-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 639 products，there is large inventory of NSK 639 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 639 Which NSK 639 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
  22322-E1-K-T41A + H2322	100	240	80	FAG	Spherical Roller Bearings
  4T-48190/48120	107,95	161,925	34,925	NTN	Tapered Roller Bearings
  5215NR	75	130	41.3	NACHI	Angular Contact Ball Bearings
  52326-MP	110	225	130	FAG	Thrust Ball Bearings
  6004	20	42	12	KBC	Deep Groove Ball Bearings
  7308 B	40	90	23	ISO	Angular Contact Ball Bearings
  7312 C	60	130	31	ISO	Angular Contact Ball Bearings
  8512	60	110	29	SIGMA	Deep Groove Ball Bearings
  9311K	55	80	13	Timken	Deep Groove Ball Bearings
  CX409				CX	Wheel Bearings
  GE35-SW	35	62	17	INA	Plain Bearings
  LM236749/LM236710	184,15	234,95	34	Timken	Tapered Roller Bearings
  LPAT 12	12	22	32	SKF	Plain Bearings
  NK16/20R+IR12×16×20	12	24	20	NTN	Needle Roller Bearings
  NU209-E-TVP3	45	85	19	NKE	Cylindrical Roller Bearings
  TP5578	55	78	3	KOYO	Needle Roller Bearings
  562030M	155	225	234730 M.SP	NTN	ANGULAR CONTACT THRUST BALL BEARINGS
  S-515M	.9375			Sealmaster (Old No.)	PILLOW BLOCKS
  7203BEG(Y/P)	17	40	12	SKF	ANGULAR CONTACT BALL BEARINGS
  22208E-2RS	40	80	28	CONSOLIDATED	SPHERICAL ROLLER BEARINGS