d - 8 mm

D - 28 mm

B - 9 mm

C - 9 mm

Basic dynamic load rating (C) - 4,563 kN

Basic static load rating (C0) - 1,983 kN

(Grease) Lubrication Speed - 28000 r/min

• Model Number: 638-2Z
• Inner Diameter：8mm Outer Diameter：28mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-24
• Application:hydraulic cylinder buffer,municipal machinery,packaging machinery,Machine tools,screen filter,electromagnet,rolling machine,medical equipment,stacker lift platform,axle lathe,journal lathe
• Similar models:SKF W63806 SKF W638/2.5-2Z ISB F63802ZZ ISO 63803-2RS SKF W638/4X-2RS1 ZEN S63800 FBJ 1638 SKF W63804-2Z SKF W63803 CX 63800-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 638-2Z products，there is large inventory of ZEN 638-2Z . We has been built up long-term cooperation with ZEN company, could make a bulk order of the 638-2Z Which ZEN 638-2Z 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
  2308S	40	90	33	NTN	Self-Aligning Ball Bearings
  29448	240,000	440,000	122,000	NTN-SNR	Thrust Roller Bearings
  6320 M	215	100	47	SKF	Deep Groove Ball Bearings
  7306DF	30	72	19	NTN	Angular Contact Ball Bearings
  ARXJ22X39X6	22,000	39,000	6,000	NTN	Needle Roller Bearings
  IJ132012	25			ILJIN	Angular Contact Ball Bearings
  JH-1816	28.575	38.100	25.40	KOYO	Needle Roller Bearings
  JT-1213	19.050	25.400	20.62	KOYO	Needle Roller Bearings
  K210X220X42	210	220		INA	Needle Roller Bearings
  RNA3180	216	224,1	57	Timken	Needle Roller Bearings
  NJ322EG15	110,000	240,000	50,000	SNR	Cylindrical Roller Bearings
  NJ324EM	120,000	260,000	55,000	SNR	Cylindrical Roller Bearings
  NUP 2215	75	130	31	ISB	Cylindrical Roller Bearings
  RTUE45	45			NKE	Bearing Units
  UCEP208	40		49.2	NACHI	Bearing Units
  TP-185				American	THRUST ROLLER BEARINGS
  CSCA065	6.5000	7.0000	.2500	INA	DEEP GROOVE BALL BEARINGS
  NKIB5904	20	37	23	SKF	NEEDLE BEARINGS
  FPCG4000	40.0000	42.0000	1.0000	SKF	DEEP GROOVE BALL BEARINGS
  RK4012X	.1250	.3750	.1406	RMB	DEEP GROOVE BALL BEARINGS