(dimensions in inches)

Bearing Type - Flanged Shielded

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Width (B) - 0.1960

Radius (min) (rs) - 0.012

Flange Dia (Df) - 0.6900

Flange Width (Bf) - 0.042

Dynamic Load Rating (Cr) - 283

Static Load Rating (Cor) - 112

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) - 0.543

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.90

Precision - A1

Standard Clearance - K25

Material - Martensitic Stainless Steel

Also available in 52100 Chrome Steel

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

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

• Model Number:SFR4ZZ
• Inner Diameter：6,35mm Outer Diameter：15,875mm Width：4,9784mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:tire industry,Display Devices,Cutting Machine,Medical room equipment,E Beauty,tooth filling,forklift industry,Plastic Equipment,electromagnetic clutch,filter paper products,squeeze machine etc
• Similar models:ISB SS628/9-ZZ NMB L-2112KK CRAFT 61801-2RS KOYO 6306-2RS Timken 338K FAG 6212 Timken 244K SKF 608-2Z SKF 6308-2Z/VA228 ZEN P6306-SB
• BEARING POWER International Trading Co.,Ltd. specialize in SFR4ZZ products，there is large inventory of AST SFR4ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the SFR4ZZ Which AST SFR4ZZ 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
  1311-TVH	55	120	29	FAG	Self-Aligning Ball Bearings
  23328MBW33	140	300	118	AST	Spherical Roller Bearings
  24168VW33	340,000	580,000	243,000	SNR	Thrust Roller Bearings
  25R3124	25	31	24	KOYO	Needle Roller Bearings
  7048 B-UD	240	360	112	CX	Angular Contact Ball Bearings
  C 4138 K30V	320	190	128	SKF	Cylindrical Roller Bearings
  81215	75	110		ISO	Thrust Roller Bearings
  AC-6006	30	55	13	NTN	Deep Groove Ball Bearings
  CRI-5218	260	400	185	NTN	Tapered Roller Bearings
  N 2314	70	150	51	SIGMA	Cylindrical Roller Bearings
  NJ230ECM	150	270	45	SKF	Cylindrical Roller Bearings
  SA1-100B	100	150	70	NTN	Plain Bearings
  SAZP12N	12,7	33,32	15,88	LS	Plain Bearings
  GE45HO.2RS	45	68	40	FAG	SPHERICAL PLAIN BEARINGS
  6207.2RSR	72	35	17	FAG	DEEP GROOVE BALL BEARINGS
  CCFE-1/2-SB			.3750	McGill	NEEDLE BEARINGS
  Y-192-L	2.2500	6.0000	3.3750	RBC	NEEDLE BEARINGS
  SAF615	2.5000			Torrington	PILLOW BLOCKS
  IR-17x22x32	17		32	CONSOLIDATED	NEEDLE BEARINGS
  TWD-1625	1.0000	1.5625		CONSOLIDATED	THRUST NEEDLE BEARINGS