(dimensions in mm)

Bearing Type - Flange Shielded

Bore Dia (d) - 8.0000

Outer Dia (D) - 12.0000

Width (B) - 3.5000

Radius (min) (rs) - 0.100

Flange Dia (Df) - 13.6000

Flange Width (Bf) - 0.800

Dynamic Load Rating (Cr) - 462

Static Load Rating (Cor) - 219

Max Speed (Grease) (X1000 RPM) - 40

Max Speed (Oil) (X1000 RPM) - 48

Max. Shaft Shoulder Dia. Inner (Ui) - 9.1

Min. Housing Shoulder Dia., Outer (Uo) - 11.330

Ball Qty - 12

Ball Dia (Dw) - 1.2000

Weight (g) - 1.14

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. Also, the equivalent ISO classes.

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

• Model Number: SMF128ZZ
• Inner Diameter：8mm Outer Diameter：12mm Width：3,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Power equipment,trolley,Material handling equipment,medical equipment,transistor fittings,Seals,office outdoor camping equipment,wall materials,dynamic blood pressure,rolling mill roll neck and slowdown device,lifting upgrade
• Similar models:ELGES FE128275.2 SKF BB1B411280AB ISB MF128ZZ ISO MR128 AST SMF128 SNR AB12802 NMB L-1280ZZ AST SMF128ZZ NSK MR128ZZ1 ZEN SMF128-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in SMF128ZZ products，there is large inventory of AST SMF128ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the SMF128ZZ Which AST SMF128ZZ 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
  21316	80	170	39	ISB	Spherical Roller Bearings
  24164-K30-MB-W33+AH24164	320	540	218	NKE	Spherical Roller Bearings
  51172	360	440	65	NACHI	Thrust Ball Bearings
  53238XU	190	270	73	NSK	Thrust Ball Bearings
  80180/80217	457,2	552,45	44,45	ISO	Tapered Roller Bearings
  F19003	45	100	25	Fersa	Cylindrical Roller Bearings
  K45X50X27	45	50		INA	Needle Roller Bearings
  MRJ 3.3/4	95,25	209,55	44,45	SIGMA	Cylindrical Roller Bearings
  N 1013 KTNHA/HC5SP	65	100	18	SKF	Cylindrical Roller Bearings
  NAFW 152826	15	28	26	IKO	Needle Roller Bearings
  RNA 6914 ZW	80	100	54	NBS	Needle Roller Bearings
  RNA4912	68	85	25	AST	Needle Roller Bearings
  SFRW188ZZ	6,35	12,7		AST	Deep Groove Ball Bearings
  X5/64ZZ	.0781	.2500	.1406	ADR	DEEP GROOVE BALL BEARINGS
  CM132	160	250	40	American	CYLINDRICAL ROLLER BEARINGS
  23272CA	360	650	232	SKF	SPHERICAL ROLLER BEARINGS
  PP40				RIV	THRUST BALL BEARINGS
  SNW13x2	65	85		Torrington	ADAPTERS
  ER-23	2.8346	1.4375	.9375	CONSOLIDATED	BALL BEARING
  230S.1400	560	-	135	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS