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：2025-04-25
• Application:food sterilization,key lock,DC generators,electromagnet,bag machine,atomizer class,EEG,Food testing,Ball screw,tobacco machinery,oral medical device
• Similar models:AST 639H-2RS CYSD 1639 NSK 639VV ISO 639ZZ CYSD 1639-RS SKF W639/3R-2RS1 ISO 639 FBJ 639 KOYO 639 SKF W639/2R-2Z
• 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
  51214	70	105	27	SKF	Thrust Ball Bearings
  6804LLB	20	32	7	NTN	Deep Groove Ball Bearings
  6924-2RS	120	165	22	CYSD	Deep Groove Ball Bearings
  7004 C	20	42	12	NSK	Angular Contact Ball Bearings
  7048 B	240	360	56	CX	Angular Contact Ball Bearings
  7236DF	180	320	52	NTN	Angular Contact Ball Bearings
  GW 120	120	230	64	ISO	Plain Bearings
  FL619/2,5	2,5	7	2,5	ISO	Deep Groove Ball Bearings
  MJ1.7/8-N	47,625	114,3	17,4625	RHP	Deep Groove Ball Bearings
  NUP 1024	120	180	28	NACHI	Cylindrical Roller Bearings
  NUP1024	120	180	28	NSK	Cylindrical Roller Bearings
  TVK3852J-1	38,07			KOYO	Needle Roller Bearings
  N348	240	500	95	FAG	CYLINDRICAL ROLLER BEARINGS
  KD070ARO	7.0000	8.0000	.5000	KAYDON	ANGULAR CONTACT BALL BEARINGS
  NPL-22	1.3750			Sealmaster	PILLOW BLOCKS
  77610	50	110	27	New Departure	DEEP GROOVE BALL BEARINGS
  6212-K	60	110	22	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  6205-2RS	52	25	15	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SN-207..2207	35	-	52	CONSOLIDATED	PILLOW BLOCKS
  7313TGP/4	65	140	33	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS