(dimensions in mm)

Bearing Type - Sealed

Bore Dia (d) - 8.0000

Outer Dia (D) - 16.0000

Width (B) - 5.0000

Radius (min) (rs) - 0.200

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) - 4.05

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: 688H-2RS
• Inner Diameter：8mm Outer Diameter：16mm Width：5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:test laboratory equipment and accessories,plastic molding,extruder,Solenoid Valves,water protection,pump,expectoration machine,Liposuction device,security,car,other lathe
• Similar models:ZEN 688W5 ISB F688 NSK 688A ZEN 688W6 ZEN 688-2Z.T9H.C3 KOYO WF688ZZ ZEN S688-2Z ZEN S688-2RSW6 ZEN F688-2RSW4 AST F688H-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 688H-2RS products，there is large inventory of AST 688H-2RS . We has been built up long-term cooperation with AST company, could make a bulk order of the 688H-2RS Which AST 688H-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
  22312EMW33	60,000	130,000	46,000	SNR	Thrust Roller Bearings
  294/630	630	1090	280	KOYO	Thrust Roller Bearings
  2306	30	72	27	NACHI	Self-Aligning Ball Bearings
  29264-E1-MB	320	440	73	INA	Thrust Roller Bearings
  9385/9321	84,138	171,45	49,212	NSK	Tapered Roller Bearings
  AST090 13570	135	140		AST	Plain Bearings
  M268749/M268710CD+M268749XE	415,925	590,55	244,475	Timken	Tapered Roller Bearings
  NK8/12	8	15	12	JNS	Needle Roller Bearings
  NN 3013 TN/SP	65	100	26	SKF	Cylindrical Roller Bearings
  NU1011-E-M1	55	90	18	FAG	Cylindrical Roller Bearings
  RNA4834	185	215	45	SKF	Needle Roller Bearings
  S12K	31.75	57,15	9,52	Timken	Deep Groove Ball Bearings
  TUWK 1.15/16 LTA	49,213	38	16	SKF	Bearing Units
  32013X	65	100	23	FAG	TAPERED ROLLER BEARINGS
  TAFI122420	12	24	20	IKO	NEEDLE BEARINGS
  CF-15/8-SB	.6250	1.6250	.8750	McGill	NEEDLE BEARINGS
  53224U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  105RU33	105	225	3.4375	Torrington	CYLINDRICAL ROLLER BEARINGS
  NF314	70	150	35	STEYR	CYLINDRICAL ROLLER BEARINGS
  6288M	790	440	112	CONSOLIDATED	DEEP GROOVE BALL BEARINGS