d - 60 mm

F - 68 mm

D - 85 mm

B - 25 mm

C - 25 mm

r min. - 1 mm

s - 1,5 mm

da min. - 65 mm

Da max. - 80 mm

ra max. - 1 mm

Weight - 0,427 Kg

Basic dynamic load rating (C) - 61,5 kN

Basic static load rating (C0) - 108 kN

(Grease) Lubrication Speed - 4 000 r/min

(Oil) Lubrication Speed - 6 000 r/min

• Model Number:NA4912R
• Inner Diameter：60mm Outer Diameter：85mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-10
• Application:Other Machine Tools,Oral Equipment,stacker lift platform,tapping machine,motor,vertical sawing machine,comprehensive experiment,Internal thread type,rolling mill roll neck and slowdown device,industrial equipment,test equipment
• Similar models:JNS RNA4912 KOYO 43BTM4912A INA NA4912 ISO NA4912 Timken NA4912 KOYO RNA4912 IKO NA4912U Timken RNA4912 NBS RNA4912 ZEN RNA4912
• BEARING POWER International Trading Co.,Ltd. specialize in NA4912R products，there is large inventory of NTN NA4912R . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4912R Which NTN NA4912R 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
  100BNR20XV1V	100	150	30	NSK	Angular Contact Ball Bearings
  1313EKTN9	65	140	33	SKF	Self-Aligning Ball Bearings
  14126D/14283	31.75	72,085	44,785	Timken	Tapered Roller Bearings
  22318 CW33	90	190	64	CX	Spherical Roller Bearings
  32215	75	130	33,25	Timken	Tapered Roller Bearings
  3984/3920	66,675	112,712	30,162	CX	Tapered Roller Bearings
  6309ZZ	45	100	25	CRAFT	Deep Groove Ball Bearings
  6314-Z	70	150	35	CYSD	Deep Groove Ball Bearings
  E-EE971355D/972100/972103D	342,9	533,4	307,985	NTN	Tapered Roller Bearings
  7211CG/GNP4	55	100	21	NTN	Angular Contact Ball Bearings
  BK1512	15	21	12	CX	Cylindrical Roller Bearings
  F-236820	34,5	53,5	15,5	INA	Cylindrical Roller Bearings
  GE 8 SB	8	19	12	ISB	Plain Bearings
  GE30-SW	30	55	16	INA	Plain Bearings
  NKJ80/35	80	110	35	KOYO	Needle Roller Bearings
  SE 628 ZZSTPRB	8	24	8	KOYO	Deep Groove Ball Bearings
  634ZZ	4	16	5	ISC	DEEP GROOVE BALL BEARINGS
  BL-28	28	68	24	RIV	DEEP GROOVE BALL BEARINGS
  BK-2020	26		20	CONSOLIDATED	NEEDLE BEARINGS
  H-306x15/16	30	45		CONSOLIDATED	ADAPTERS