d - 9 mm

D - 30 mm

B - 10 mm

C - 10 mm

r min. - 0,6 mm

db max. - 16,1 mm

Db min. - 25,6 mm

rb max. - 0,6 mm

Weight - 0,036 Kg

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

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

(Grease) Lubrication Speed - 24 000 r/min

• Model Number: 639 ZZ
• Inner Diameter：9mm Outer Diameter：30mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:circulating pump,security equipment,Warehouse Shelf Equipment,Blood coagulation reagent,orthodontic material,relay,hydraulic pressure gauge,Broadcasting System,Antenna Industry,Storage Tool,sheet industry
• Similar models:SKF W639/3-2Z NSK 639ZZ SKF W639/3R-2Z SKF W639-2Z SKF W639/1.5R-2Z NSK 639 FBJ 639ZZ SKF W639-2RS1 AST 639H-2RS CYSD 1639-Z
• BEARING POWER International Trading Co.,Ltd. specialize in 639ZZ products，there is large inventory of NSK 639 ZZ . We has been built up long-term cooperation with NSK company, could make a bulk order of the 639 ZZ Which NSK 639ZZ 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
  3204-B-2RSR-TV	20	47	20,6	NKE	Angular Contact Ball Bearings
  3NCHAR915	75	105	16	KOYO	Angular Contact Ball Bearings
  6007-2NKE	35	62	14	NACHI	Deep Groove Ball Bearings
  6232ZZ	160	290	48	NACHI	Deep Groove Ball Bearings
  7068 BDF	340	520	164	ISO	Angular Contact Ball Bearings
  BK1209	12	16	9	ISO	Cylindrical Roller Bearings
  GE440-DO	440	600	218	INA	Plain Bearings
  KB30-PP	30	47		INA	Linear Bearings
  NA6917-ZW	85	120	63	INA	Needle Roller Bearings
  NNU4926 V	130	180	50	CX	Cylindrical Roller Bearings
  ZARN 65125 TN	65	125	25	NBS	Complex Bearings
  MG-6	.3750		.5000	Aurora	ROD ENDS
  YAS11/2	1.5000			FAF	PILLOW BLOCKS
  6210Z	50	90	20	FAG	DEEP GROOVE BALL BEARINGS
  UCSP205S6H1	25			FYH	STAINLESS STEEL PILLOW BLOCKS
  32044X	220	340	76	SKF	TAPERED ROLLER BEARINGS
  303-SFFG	17	47	14	MRC	DEEP GROOVE BALL BEARINGS
  RMS-231/2-LL	5.5000	11.0000	2.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  4405	.7500	1.6875		CONSOLIDATED	THRUST BALL BEARINGS
  LER-112	4.1250		25.36	CONSOLIDATED	TRIPLE RING ALUMINUM SEALS FOR SAF TYPE PILLOW BLOCKS