d - 8 mm

D - 12 mm

B - 2,5 mm

C - 2,5 mm

r min. - 0,1 mm

da min. - 8,8 mm

da max - 9,1 mm

Da max. - 11,2 mm

ra max. - 0,1 mm

Weight - 0,75 Kg

Basic dynamic load rating (C) - 0,515 kN

Basic static load rating (C0) - 0,252 kN

(Grease) Lubrication Speed - 38 000 r/min

(Oil) Lubrication Speed - 45 000 r/min

Calculation factor (f0) - 15,9

• Model Number: 678A
• Inner Diameter：8mm Outer Diameter：12mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-21
• Application:food testing,historical instruments,marine test,Other machinery,Die,industrial fans,municipal machinery,reinforced machinery,hinge industry,Hydraulic Hose,small diesel generators
• Similar models:NTN W678AZZ NTN FL678A NTN FL678AZZ NTN F-W678AZZ NTN FLAW678AZ NTN 678A NTN F-678 NTN 678AZZ NTN FLAW678AZZ NTN F-FLAW678AZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 678A products，there is large inventory of NTN 678A . We has been built up long-term cooperation with NTN company, could make a bulk order of the 678A Which NTN 678A 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
  240/950 K30W33	950	1360	412	ISO	Spherical Roller Bearings
  30334D	170	360	80	KOYO	Tapered Roller Bearings
  6012	60	95	18	FBJ	Deep Groove Ball Bearings
  6030-2RS	150	225	35	CYSD	Deep Groove Ball Bearings
  AX 5 50 70	50	70	5	KOYO	Needle Roller Bearings
  DCL2412	38,1	47,625	19,05	NTN	Needle Roller Bearings
  EC-6207	35	72	17	NTN	Deep Groove Ball Bearings
  EGF25115-E40	25	28	11,5	INA	Plain Bearings
  NKIA 5910	50	72	30	ISO	Complex Bearings
  NUP214EM	70	125	24	NSK	Cylindrical Roller Bearings
  R-2210X3	10	22	6	NMB	Deep Groove Ball Bearings
  W 61901	24	12	6	SKF	Deep Groove Ball Bearings
  UCTU316+WU700	80		86	NACHI	Bearing Units
  KML40			29	FAG	LOCKNUTS
  7164-KR	320	480	74	MRC	ANGULAR CONTACT BALL BEARINGS
  W-3				FAG	THRUST BALL BEARINGS
  NUTR206X	30	62	29	NTN	NEEDLE BEARINGS
  NF-213E	65	120	23	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  GT-3	1.3437	.6250		CONSOLIDATED	THRUST BALL BEARINGS
  H-309x15/16	45	65		CONSOLIDATED	ADAPTERS