d - 68 mm

D - 85 mm

B - 25 mm

C - 25 mm

r min. - 1 mm

Weight - 0,275 Kg

Basic dynamic load rating (C) - 60 kN

Basic static load rating (C0) - 108 kN

(Grease) Lubrication Speed - 4000 r/min

(Oil) Lubrication Speed - 6000 r/min

• Model Number:RNA4912
• Inner Diameter：68mm Outer Diameter：85mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-11
• Application:Traffic Fire Protection Equipment Security equipment,dynamic blood pressure,stirrer,Small air generators,Dental Equipment,Textile Accessories,surgical instruments,respirator,Wire grinder,Spectrum Products,Sensors
• Similar models:JNS NA4912 IKO RNA4912 CRAFT NA4912 IKO NA4912U NSK RNA4912TT SKF RNA4912 NTN NA4912R Timken NA4912 IKO RNA4912UU KOYO NA4912
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4912 products，there is large inventory of ZEN RNA4912 . We has been built up long-term cooperation with ZEN company, could make a bulk order of the RNA4912 Which ZEN RNA4912 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
  241/560 K30CW33+AH241/560	560	920	355	ISO	Spherical Roller Bearings
  22220 MBW33	100	180	46	MPZ	Spherical Roller Bearings
  2305E-2RS1KTN9	25	62	24	SKF	Self-Aligning Ball Bearings
  6202FT150	15,000	35,000	11,000	SNR	Deep Groove Ball Bearings
  IJ113017				ILJIN	Angular Contact Ball Bearings
  K 89432 M	320	160	32	SKF	Cylindrical Roller Bearings
  KBK 20-PP	20	32		NBS	Linear Bearings
  NA6914-ZW-XL	70	100	54	INA	Needle Roller Bearings
  NJ244-E-M6+HJ244-E	220	400	65	NKE	Cylindrical Roller Bearings
  RNA 6903	22	30	23	NBS	Needle Roller Bearings
  SX0658LL	30,000	62,000	22,000	NTN	Angular Contact Ball Bearings
  UCT326	130			NACHI	Bearing Units
  UKFL311H	50			SNR	Bearing Units
  211KD	55	100	21	FAF	DEEP GROOVE BALL BEARINGS
  NU328	140	300	62	FAG	CYLINDRICAL ROLLER BEARINGS
  NA4900.2RSR	10	22	13	FAG	NEEDLE BEARINGS
  N326E	130	280	58	STEYR	CYLINDRICAL ROLLER BEARINGS
  52338M				STEYR	THRUST BALL BEARINGS
  77BIC351	7.7500	10.5000	1.3750	Torrington	DEEP GROOVE BALL BEARINGS
  F-683	3	7	2	CONSOLIDATED	DEEP GROOVE BALL BEARINGS