(dimensions in mm)

Bearing Type - Open

Bore Dia (d) - 8.0000

Outer Dia (D) - 12.0000

Width (B) - 2.5000

Radius (min) (rs) - 0.150

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) - 0.70

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:SMR128
• Inner Diameter：8mm Outer Diameter：12mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-24
• Application:Medical printer,Solenoid Valves,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,sucker industry,relay,tower crane,electromagnetic clutch,wire industry,Industrial,agriculture,natural instruments
• Similar models:ZEN SMF128 AST SMR128 ISO MR128ZZ Timken 128WD ISB MF128ZZ ZEN SMF128-2Z NSK MF128 ISO MF128ZZ ZEN SMR128-2RS ISB MR128ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in SMR128 products，there is large inventory of AST SMR128 . We has been built up long-term cooperation with AST company, could make a bulk order of the SMR128 Which AST SMR128 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
  230/500CAK/W33	500	720	167	SKF	Spherical Roller Bearings
  33208A	40	80	32	ZVL	Tapered Roller Bearings
  4T-95500/95925	127	234,95	63,5	NTN	Tapered Roller Bearings
  51156	280	347		ISO	Thrust Ball Bearings
  5S-7000UCG/GNP42	10	26	8	NTN	Angular Contact Ball Bearings
  6304	20	52	15	MPZ	Deep Groove Ball Bearings
  7222BDT	110	200	38	CYSD	Angular Contact Ball Bearings
  ASTEPB 3539-25	35	39		AST	Plain Bearings
  HM 89446/2/410/2/QCL7C	76,2	34,925	29,37	SKF	Tapered Roller Bearings
  NJ 2892 ECMA	580	460	72	SKF	Thrust Ball Bearings
  NJ28/850	850	1030	106	ISO	Cylindrical Roller Bearings
  NJ3213	65	120	38,1	ISO	Cylindrical Roller Bearings
  SBPFL206-20	30		30	KOYO	Bearing Units
  NJ2220	100	180	46	FAG	CYLINDRICAL ROLLER BEARINGS
  F-14	2.3437	1.3125		Aetna	THRUST BALL BEARINGS
  6810ZZ	50	65	7	NSK	DEEP GROOVE BALL BEARINGS
  AAS1103	17	30		NTN	THRUST NEEDLE BEARINGS
  6306.RS	30	72	19	SKF	DEEP GROOVE BALL BEARINGS
  NU-303	17	47	14	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  H-319x85	95	125		CONSOLIDATED	ADAPTERS