d - 8 mm

D - 28 mm

B - 9 mm

C - 9 mm

r min. - 0,3 mm

r1 min. - 0,3 mm

da min. - 10 mm

Da max. - 26 mm

ra max. - 0,3 mm

Weight - 0,029 Kg

Basic dynamic load rating (C) - 4,55 kN

Basic static load rating (C0) - 1,95 kN

(Grease) Lubrication Speed - 26000 r/min

Calculation factor (f0) - 12,3

• Model Number: 638ZZ
• Inner Diameter：8mm Outer Diameter：28mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:climb ladder,agricultural testing and analysis equipment and related,medical equipment,mobile toilet,meat products machine,car and accessories,Workpiece,garbage disposal,Machine tool accessories,van,Storage Tool
• Similar models:SKF W63805-2Z SKF W63800 FBJ 638 SKF W63806R-2Z ISO 63801-2RS CX 63802ZZ ZEN 63803-2RS SKF W63805 ISO 638ZZ KBC 638ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 638ZZ products，there is large inventory of KOYO 638ZZ . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 638ZZ Which KOYO 638ZZ 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.

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  22322 E	240	110	80	SKF	Spherical Roller Bearings
  22326CC/W33	130	280	93	SKF	Spherical Roller Bearings
  26882/26822	41,275	79,375	23,812	Fersa	Tapered Roller Bearings
  462/453AS	57,15	107,95	27,783	Timken	Tapered Roller Bearings
  53210U+U210	50	78		CX	Thrust Ball Bearings
  B-2610	41,275	50,8	15,88	Timken	Needle Roller Bearings
  BR 526828	82,55	107,95	44,45	IKO	Needle Roller Bearings
  D/W R2-6	3,175	9,525	2,779	SKF	Deep Groove Ball Bearings
  NKI 50/25	50	68	25	FBJ	Needle Roller Bearings
  RNA 4876	415	480	100	NBS	Needle Roller Bearings
  SA 35 ES	35	55	25	ISB	Plain Bearings
  TL23952CAKE4	260	360	75	NSK	Spherical Roller Bearings
  UCF319	95			CRAFT	Bearing Units
  32005X	25	47	15	FAG	TAPERED ROLLER BEARINGS
  239/630CA	630	850	165	SKF	SPHERICAL ROLLER BEARINGS
  UEL212-204D1	2.2500	4.3307	1.0240	NTN	PILLOW BLOCKS
  SL1829/500	500	670	100	INA	CYLINDRICAL ROLLER BEARINGS
  2921	140	105		INA	THRUST BALL BEARINGS
  SS683-ZZ	3	7	3	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  N-08			.4480	CONSOLIDATED	LOCKNUTS