(dimensions in inches)

Bearing Type - Flanged Shielded with Extended Inner

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.5000

Outer Width (Bo) - 0.1875

Inner Width (Bi) - 0.2187

Radius (min) (rs) - 0.006

Flange Dia (Df) - 0.5470

Flange Width (Bf) - 0.045

Dynamic Load Rating (Cr) - 344

Static Load Rating (Cor) - 80

Max Speed (Grease) (X1000 RPM) - 40

Max Speed (Oil) (X1000 RPM) - 50

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

Min. Housing Shoulder Dia., Outer (Uo) - 0.457

Ball Qty - 8

Ball Dia (Dw) - 0.0787

Weight (g) - 2.54

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: SFRW188ZZ
• Inner Diameter：6,35mm Outer Diameter：12,7mm Width：mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:ultra-quiet generators,Flame Cutting,car instrument,Optical Instruments,Technical Equipment,Reflective Materials Industrial fabrics,Machine Tool Accessories,Oral Equipment,Medium and large motor,Pump,historical instruments
• Similar models:NKE 61884-MA SKF 61888MA NTN FLRA188ZZA ZEN 61888 CX 61884 AST SFR188 AST SRW188-2RS AST SR188ZZ CX 61880 SKF D/WR188-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in SFRW188ZZ products，there is large inventory of AST SFRW188ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the SFRW188ZZ Which AST SFRW188ZZ 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
  190TAC20D+L	190	290	120	NSK	Thrust Ball Bearings
  22234SWRCDg2E4	170	310	86	NSK	Spherical Roller Bearings
  32064A	320	480	100	SNR	Tapered Roller Bearings
  51192 M	460	560	80	ISB	Thrust Ball Bearings
  6207F604	35,000	72,000	17,000	SNR	Deep Groove Ball Bearings
  6314ZNR	70,000	150,000	35,000	NTN	Deep Groove Ball Bearings
  DE0818LLCS40PX2	42	80	45	NTN	Angular Contact Ball Bearings
  GEC460HC	460	620		AST	Plain Bearings
  HM237542/10	174,625	288,925	63,5	CX	Tapered Roller Bearings
  LMI02949/LM102910	45,24248	73,4314	19,558	AST	Tapered Roller Bearings
  NN4932	160	220	60	ISO	Cylindrical Roller Bearings
  NUP214	70	125	24	ISO	Cylindrical Roller Bearings
  NUP2306	30	72	27	FAG	CYLINDRICAL ROLLER BEARINGS
  MR74h	4	7	2	ISC	DEEP GROOVE BALL BEARINGS
  294/710	710	1220		SKF	SPHERICAL ROLLER THRUST BEARINGS
  RMS10	1.0000	2.5000	.7500	FBC	CYLINDRICAL ROLLER BEARINGS
  MS-193/4	3.3750	7.5000	1.5625	FED	DEEP GROOVE BALL BEARINGS
  6204-RS	47	20	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NJ-2040E	200	310	66	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-11x14x14	11	14	14	CONSOLIDATED	NEEDLE BEARINGS