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: 638-2RS
• Inner Diameter：8mm Outer Diameter：28mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2026-09-11
• Application:pump,lifting chain,Pneumatic Control Valves,Anesthetic Equipment,noise reduction equipment,other lathe,test laboratory equipment and accessories,Industry,transportation equipment,auto tools,Insect Capture
• Similar models:ZEN F63800-2Z SKF W63802-2RZ CX 63802-2RS SKF W638/2.5-2Z KOYO 638ZZ CX 63800-2RS ISO 638ZZ SKF W63800R SKF W638-2Z ISO 63800-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 638-2RS products，there is large inventory of ZEN 638-2RS . We has been built up long-term cooperation with ZEN company, could make a bulk order of the 638-2RS Which ZEN 638-2RS 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
  120KBE030	120	180	46	NACHI	Tapered Roller Bearings
  21317 K	85	180	41	ISB	Spherical Roller Bearings
  22238RK	190	340	92	KOYO	Spherical Roller Bearings
  30224J2/DF	120	215	87	SKF	Tapered Roller Bearings
  37284	420	592	432	KOYO	Tapered Roller Bearings
  6305LLU	25	62	17	NTN	Deep Groove Ball Bearings
  6328B	140,000	300,000	62,000	NTN	Deep Groove Ball Bearings
  6503				Ruville	Wheel Bearings
  CRD-8029	400	730	340	NTN	Tapered Roller Bearings
  GEH530HCS	530	750		AST	Plain Bearings
  R2-5-2Z	3,175	7,938	3,571	ZEN	Deep Groove Ball Bearings
  RB205-16	25,4	52	34,1	KOYO	Deep Groove Ball Bearings
  SY 35 TR	35			SKF	Bearing Units
  UCPX12	60		65.1	NACHI	Bearing Units
  W61700X-2RS1	10	15	4	SKF	DEEP GROOVE BALL BEARINGS
  NBI91912	9	19	12	NADELLA	NEEDLE BEARINGS
  K-22x28x17	22	28	17	CONSOLIDATED	NEEDLE BEARINGS
  K-58x64x32../2	58	64	32../2	CONSOLIDATED	NEEDLE BEARINGS
  4418	1.5625	2.5625		CONSOLIDATED	THRUST BALL BEARINGS
  93526	1.0000	1.3750	1.6250	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES