(dimensions in mm)

Bearing Type - Flange Sealed

Bore Dia (d) - 8.0000

Outer Dia (D) - 16.0000

Width (B) - 5.0000

Radius (min) (rs) - 0.200

Flange Dia (Df) - 18.0000

Flange Width (Bf) - 1.100

Dynamic Load Rating (Cr) - 1,064

Static Load Rating (Cor) - 474

Max Speed (Grease) (X1000 RPM) - 36

Max Speed (Oil) (X1000 RPM) - 43

Max. Shaft Shoulder Dia. Inner (Ui) - 9.7

Min. Housing Shoulder Dia., Outer (Uo) - 14.200

Ball Qty - 10

Ball Dia (Dw) - 2.0000

Weight (g) - 4.51

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 PTFE seals = (TT), or with a single PTFE seal = (T)

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

• Model Number:F688H-2RS
• Inner Diameter：8mm Outer Diameter：16mm Width：5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Cylinder Pneumatic Treatment Element,Optical Instruments,shoe-making machinery,drawing die,electromyography machine,coal,Broadcasting System,Animal Tracking,Cutting Machine,insect experimental analysis instrument,medical equipment
• Similar models:ZEN SF688 ISO F688ZZ NTN 688A ZEN S688-2RSW4 ZEN SF688W5 ZEN 688W6 KOYO 6880 NTN FL688A KOYO WF688ZZ FBJ F688ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in F688H-2RS products，there is large inventory of AST F688H-2RS . We has been built up long-term cooperation with AST company, could make a bulk order of the F688H-2RS Which AST F688H-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
  2220	100	180	46	NSK	Self-Aligning Ball Bearings
  48286/48220	123,825	182,562	39,688	CX	Tapered Roller Bearings
  6005DDU	25	47	12	NSK	Deep Groove Ball Bearings
  61922 ZZ	110	150	20	ISO	Deep Groove Ball Bearings
  6918LLU	90	125	18	NTN	Deep Groove Ball Bearings
  7044 A	220	340	56	CX	Angular Contact Ball Bearings
  7408				Ruville	Wheel Bearings
  GX 100 F	100	210	59	SKF	Plain Bearings
  K23X35X16-TV	23	35		INA	Needle Roller Bearings
  KZK 40x48x20	40	48		NBS	Needle Roller Bearings
  LMKP13L	13	23		Samick	Linear Bearings
  N305E	25,000	62,000	17,000	NTN	Cylindrical Roller Bearings
  NH428	140	360	82	ISO	Cylindrical Roller Bearings
  RNAO45x55x17	45	55	17	SKF	Needle Roller Bearings
  S61906	30	47	9	ZEN	Deep Groove Ball Bearings
  SCE710	11,1	15,875	15,875	AST	Needle Roller Bearings
  330-CDS	30	72	19	HOFF	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  RNAO75x95x60	95		60	INA	NEEDLE BEARINGS
  51268				CONSOLIDATED	THRUST BALL BEARINGS
  GE-40ES-2RS	40	62	28	CONSOLIDATED	SPHERICAL PLAIN BEARINGS