(dimensions in inches)

Bearing Type - Shielded with Extended Inner

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Outer Width (Bo) - 0.1960

Inner Width (Bi) - 0.2272

Radius (min) (rs) - 0.002

Dynamic Load Rating (Cr) - 333

Static Load Rating (Cor) - 131

Max Speed (Grease) (X1000 RPM) - 38

Max Speed (Oil) (X1000 RPM) - 45

Max. Shaft Shoulder Dia. Inner (Ui) - 0.3

Min. Housing Shoulder Dia., Outer (Uo) - 0.534

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.54

Precision - A1

Standard Clearance - K25

Material - 52100 Chrome steel (or equivalent)

Also available in Stainless Steel, add prefix "S"

ABEC Grades 1, 3, 5, 7, and 9 are available.

Two metal shields = (ZZ), also available with a single metal shield = (Z).

• Model Number: RW4ZZ
• Inner Diameter：6,35mm Outer Diameter：15,875mm Width：mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:mechanical annex,paper processing machine,pump,sucker industry,aerial work equipment,electromyography machine,agricultural testing and analysis equipment and related,axle lathe,Anesthetic Equipment,medical equipment,Air
• Similar models:NMB RI-618ZZ FAG 618/630-M INA CSCU090.2RS KOYO 6319-2RS NTN 6204LLU INA RAL012-NPP NTN 6006ZNR MPZ 314NM CX 63208-2RS FAG 618/850-M
• BEARING POWER International Trading Co.,Ltd. specialize in RW4ZZ products，there is large inventory of AST RW4ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the RW4ZZ Which AST RW4ZZ 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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  185BIC695	469,9	622,3	76,2	Timken	Deep Groove Ball Bearings
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  48393/48320	136,525	190,5	39,688	CX	Tapered Roller Bearings
  6015-2RS	75	115	20	ISB	Deep Groove Ball Bearings
  6219	95	170	32	ISO	Deep Groove Ball Bearings
  GEH180HT	180	260	128	LS	Plain Bearings
  KK22x27x40	22	27	40	CX	Needle Roller Bearings
  KR 40 XB	18	40	58	SKF	Cylindrical Roller Bearings
  LUCT 80-2LS		80		SKF	Linear Bearings
  RN207-E-MPBX	35	64	17	FAG	Cylindrical Roller Bearings
  SIZP12S	12,7			LS	Plain Bearings
  SL014918	90	125	35	INA	Cylindrical Roller Bearings
  TLA 2516 Z	25	32	16	IKO	Needle Roller Bearings
  UC312	60,000	130,000	71	NTN-SNR	Deep Groove Ball Bearings
  UCFB210-31	49,2125			KOYO	Bearing Units
  7321WNMBRSU	105	225	49	FAF	ANGULAR CONTACT BALL BEARINGS
  TAF374730	47		30	IKO	NEEDLE BEARINGS
  23026CC	130	200	52	SKF	SPHERICAL ROLLER BEARINGS
  NCF3040CV	200	310	82	SKF	CYLINDRICAL ROLLER BEARINGS
  H-3140x180	200	250		CONSOLIDATED	ADAPTERS