(dimensions in mm)

Bearing Type - Flanged Open

Bore Dia (d) - 8.0000

Outer Dia (D) - 12.0000

Width (B) - 2.5000

Radius (min) (rs) - 0.150

Flange Dia (Df) - 13.2000

Flange Width (Bf) - 0.600

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 (Li) - 9.1

Min. Housing Shoulder Dia., Outer (Lo) - 10.9

Ball Qty - 12

Ball Dia (Dw) - 1.2000

Weight (g) - 0.81

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.

• Model Number: SMF128
• Inner Diameter：8mm Outer Diameter：12mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-23
• Application:Hydraulic Hose,inorganic chemical,joint protection,Warehouse Shelf Equipment,injection molding machine,Individual Wire,position switch,ventilation fans,Storage Tool,hinge industry,milling head plug
• Similar models:NSK MF128 SNR AB12831 Timken 9128K AST SMF128-2RS NSK MR128ZZ1 AST SMF128 ZEN MF128-2Z FBJ MR128 ISO MR128 NMB L-1280ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in SMF128 products，there is large inventory of AST SMF128 . We has been built up long-term cooperation with AST company, could make a bulk order of the SMF128 Which AST SMF128 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
  230/630-K-MB-W33	630	920	212	NKE	Spherical Roller Bearings
  30305DX	25	62	19.7	KBC	Tapered Roller Bearings
  3490/3420B	38,1	79,375	29,771	Timken	Tapered Roller Bearings
  51176	380	460	65	NTN	Thrust Ball Bearings
  580/572X	82,55	139,7	36,512	CX	Tapered Roller Bearings
  AB41337S02	30	55	13	SNR	Deep Groove Ball Bearings
  BB1-0623D	17	40	12	SKF	Deep Groove Ball Bearings
  GYA008RR	12,7	40	23,8	Timken	Deep Groove Ball Bearings
  HSS71912-E-T-P4S	60	85	13	FAG	Angular Contact Ball Bearings
  K80X86X20H	80	88		KOYO	Needle Roller Bearings
  MR137	7	13	3	ISB	Deep Groove Ball Bearings
  NNU3130C1NAP4	150	250	80	NTN	Cylindrical Roller Bearings
  NNU6021	105	160	100	ISO	Cylindrical Roller Bearings
  QJ313	65	140	33	NSK	Angular Contact Ball Bearings
  RNA6918	105	125	63	SKF	Needle Roller Bearings
  S7220 CD/P4A	100	180	34	SKF	Angular Contact Ball Bearings
  SL181880	400	500	46	ISO	Cylindrical Roller Bearings
  UCTU317+WU700	85		96	NACHI	Bearing Units
  32252	260	480	130	FAG	TAPERED ROLLER BEARINGS
  RSL182317	85	6.4180	60	CONSOLIDATED	CYLINDRICAL ROLLER BEARING