d - 8 mm

D - 16 mm

B - 4 mm

C - 4 mm

r min. - 0,2 mm

da min. - 9,6 mm

da max - 10 mm

Da max. - 14,4 mm

ra max. - 0,2 mm

Weight - 3,1 Kg

Basic dynamic load rating (C) - 1,61 kN

Basic static load rating (C0) - 0,715 kN

(Grease) Lubrication Speed - 35 000 r/min

(Oil) Lubrication Speed - 41 000 r/min

Calculation factor (f0) - 14

• Model Number:688A
• Inner Diameter：8mm Outer Diameter：16mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-15
• Application:Medical printer,Storage Device,Embroidery,marine test,Spectral Products,gear type,extruder,spreader series,raw material accessories,chamfering machine etc,Security Equipment
• Similar models:ZEN SF688 ZEN S688-2RSW6 FBJ 688 AST F688H ZEN 688-2RSW6 NSK 6884 KOYO F688 SKF BB1B362688A ZEN S688W6 NTN FL688A
• BEARING POWER International Trading Co.,Ltd. specialize in 688A products，there is large inventory of NTN 688A . We has been built up long-term cooperation with NTN company, could make a bulk order of the 688A Which NTN 688A 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
  1312S	60	130	31	NTN	Self-Aligning Ball Bearings
  30/7-B-2Z-TVH	7	19	10	FAG	Angular Contact Ball Bearings
  423084	420	620	188	NTN	Tapered Roller Bearings
  51309	45	85	28	NTN	Thrust Ball Bearings
  5316	80	170	68,263	AST	Angular Contact Ball Bearings
  54415	78	160	123	ISO	Thrust Ball Bearings
  6021	105	160	26	NTN	Deep Groove Ball Bearings
  6206ZZ	30	62	16	AST	Deep Groove Ball Bearings
  7018 A-UD	90	140	48	CX	Angular Contact Ball Bearings
  AST40 280100	280	285		AST	Plain Bearings
  CRBH 15025 A UU	150	210	25	IKO	Thrust Roller Bearings
  EE244180/244236D+A	457,2	596,9	165,1	NTN	Tapered Roller Bearings
  K 15x20x13	15	20		NBS	Needle Roller Bearings
  HH224335/HH224310	101,6	212,725	66,675	Timken	Tapered Roller Bearings
  NJ2972	360	480	72	ISO	Cylindrical Roller Bearings
  UCHA205-16	25,4		34,1	KOYO	Bearing Units
  AW-4	.2500		.3750	Aurora	ROD ENDS
  CSXB035	3.5000	4.1250	.3125	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  A-406080	2.5000	3.7500	5.0000	CONSOLIDATED	LINEAR RECIRCULATING BALL BEARINGS
  NX-10-Z	19	10		CONSOLIDATED	NEEDLE BEARINGS