d - 440 mm

F - 490 mm

D - 600 mm

B - 160 mm

C - 160 mm

r min. - 4 mm

s - 2,5 mm

da min. - 456 mm

Da max. - 584 mm

ra max. - 3 mm

Weight - 123 Kg

Basic dynamic load rating (C) - 1750 kN

Basic static load rating (C0) - 4600 kN

(Grease) Lubrication Speed - 550 r/min

(Oil) Lubrication Speed - 800 r/min

• Model Number: NA4988
• Inner Diameter：440mm Outer Diameter：600mm Width：160mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:machine lathe,Insect Count,Optical Instruments,car,economic mold,glass processing machine,Laser Measurements,defogging and degreasing,insect experimental analysis instrument,construction machinery and equipment,Antenna Potentials
• Similar models:IKO RNA4988 CX NA4988 NTN RNA4988 CX RNA4988 IKO NA4988 NSK RNA4988 ISO RNA4988 NTN NA4988 NSK NA4988 ISO NA4988
• BEARING POWER International Trading Co.,Ltd. specialize in NA4988 products，there is large inventory of NTN NA4988 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4988 Which NTN NA4988 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
  3207-2RS	35	72	27	ISO	Angular Contact Ball Bearings
  7209DT	45	85	19	CYSD	Angular Contact Ball Bearings
  AC-6301ZZ	12	37	12	NTN	Deep Groove Ball Bearings
  HTA928DB	140	190	22,5	NTN	Angular Contact Ball Bearings
  BRI 183016	28,575	47,625	25,65	IKO	Needle Roller Bearings
  GE 30 ES	30	47	22	SKF	Plain Bearings
  HM807035/10	41,275	104,775	36,513	CX	Tapered Roller Bearings
  K17X22X15.8	17,000	22,000		NTN	Needle Roller Bearings
  NU217	85	150	28	ISO	Cylindrical Roller Bearings
  SL181876-E	380	480	46	INA	Cylindrical Roller Bearings
  UCTH208-300	40		119	FYH	Bearing Units
  YSP 206-103 SB-2F	62	30,162	37	SKF	Deep Groove Ball Bearings
  MB-13	65	79	7	FAG	LOCKWASHERS
  SN207with2207	35	-	52	SKF	PILLOW BLOCKS
  SN322with2322	110	-	130	SKF	PILLOW BLOCKS
  WR-19	2.4409	1.1875	.8750	FED	BALL BEARING
  NBX10719	4.2500	5.7500	.7500	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  30208	40	80	18	SNR	TAPERED ROLLER BEARINGS
  EE-0	.1250	.3750	.1562	SKF	DEEP GROOVE BALL BEARINGS
  BK-0709	11		9	CONSOLIDATED	NEEDLE BEARINGS