d - 440 mm

D - 600 mm

B - 74 mm

C - 74 mm

r min. - 4 mm

da min. - 475 mm

Da max. - 572 mm

ra max. - 3 mm

Weight - 60,2 Kg

Basic dynamic load rating (C) - 395 kN

Basic static load rating (C0) - 680 kN

Calculation factor (f0) - 16,6

• Model Number:6988
• Inner Diameter：440mm Outer Diameter：600mm Width：74mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-24
• Application:wheel lathe,Pneumatic Control Valves,Broadcasting System,journal lathe,sawing machine,air shower etc,stacker lift platform,auto tools,drawing die,root canal filling,Material handling equipment
• Similar models:KOYO 6988 NSK 6988 NTN 6988
• BEARING POWER International Trading Co.,Ltd. specialize in 6988 products，there is large inventory of NSK 6988 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6988 Which NSK 6988 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
  1312K	60	130	31	NACHI	Self-Aligning Ball Bearings
  16034	170	260	28	FAG	Deep Groove Ball Bearings
  3NCHAR019	95	145	24	KOYO	Angular Contact Ball Bearings
  61902-2Z	15	28	7	ZEN	Deep Groove Ball Bearings
  C 30/950 MB	1360	950	300	SKF	Cylindrical Roller Bearings
  HK3520-2RS	35	42	20	INA	Needle Roller Bearings
  K72X80X25	72	80	25	CX	Needle Roller Bearings
  K75X83X23	75,000	83,000		NTN	Needle Roller Bearings
  PCJ1-1/2	38,1			INA	Bearing Units
  SX0663LLUC4	30	62	24	NTN	Deep Groove Ball Bearings
  SDA9102	30	52	22	KBC	Angular Contact Ball Bearings
  SMN109KB	39,6875	90	41,28	Timken	Deep Groove Ball Bearings
  UCTH210-30-300	47,625		121	KOYO	Bearing Units
  W630/2.5-2Z	2,5	8	4	SKF	Deep Groove Ball Bearings
  23068B.MB	340	520	133	FAG	SPHERICAL ROLLER BEARINGS
  B16	2.4687	1.4375		INA	THRUST BALL BEARINGS
  UCF208-24	1.5000			IPTCI	PILLOW BLOCKS
  F699	9	20	6	Nachi	DEEP GROOVE BALL BEARINGS
  KB-65CPO	6.5000	7.1250	.3125	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HMV-62M			62	CONSOLIDATED	HYDRAULIC NUTS