(dimensions in mm)

Bearing Type - Flange Sealed

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 rubber seals = (2RS), also available with a single rubber seal = (RS).

Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)

• Model Number: SMF128-2RS
• Inner Diameter：8mm Outer Diameter：12mm Width：3,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:comprehensive experiment,electrostatic protection,office equipment,Hydraulic Hose,shoe-making machinery,Ball screw,Automation,test equipment,food sterilization,Industrial equipment,machine tool spindle
• Similar models:AST SMF128ZZ ZEN MR128-2Z Timken 128WD ZEN SMF128-2RS NMB LF-1280ZZ ISB MF128ZZ ZEN SMF128 SNR AB12831 ISB MR128ZZ Timken 128W
• BEARING POWER International Trading Co.,Ltd. specialize in SMF128-2RS products，there is large inventory of AST SMF128-2RS . We has been built up long-term cooperation with AST company, could make a bulk order of the SMF128-2RS Which AST SMF128-2RS 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
  14138A/14274	34,925	69,012	19,845	Timken	Tapered Roller Bearings
  22230-E-K-W33+H3130	150	270	73	NKE	Spherical Roller Bearings
  29264-M	320	440	73	NKE	Thrust Roller Bearings
  6813NR	65	85	10	NTN	Deep Groove Ball Bearings
  618/9	9	17	4	SKF	Deep Groove Ball Bearings
  6200T1X	10	30	9	NSK	Deep Groove Ball Bearings
  7217 C	85	150	28	ISO	Angular Contact Ball Bearings
  7856	280,000	350,000	33,000	NTN	Angular Contact Ball Bearings
  81224	120,000	170,000	39,000	NTN	Thrust Ball Bearings
  EGB3020-E50	30	34	20	INA	Plain Bearings
  HR12E	12		12	NMB	Plain Bearings
  VEB 55 7CE1	55	80	13	SNFA	Angular Contact Ball Bearings
  YM081210	8	12	10	KOYO	Needle Roller Bearings
  B40-LNMSS	2.5000	3.9375	2.1875	RBC	SPHERICAL PLAIN BEARINGS
  SNW3040x73/16	200	240		SKF	ADAPTERS
  477315	75	160	37	New Departure	DEEP GROOVE BALL BEARINGS
  UELFU206-104T	1.2500			NTN	PILLOW BLOCKS
  6206NR	30	62	16	SKF	DEEP GROOVE BALL BEARINGS
  5322	110	240	92.1	New Departure	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  MR-14			1.0000	CONSOLIDATED	NEEDLE BEARINGS