Fw - 68 mm

D - 85 mm

C - 25 mm

r5 min. - 1 mm

Weight - 0,304 Kg

Basic dynamic load rating (C) - 64,8 kN

Basic static load rating (C0) - 116 kN

(Grease) Lubrication Speed - 4100 r/min

(Oil) Lubrication Speed - 6300 r/min

• Model Number:RNA4912
• Inner Diameter：68mm Outer Diameter：85mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:rolling machine,ventilation heating equipment,metallurgy,transportation equipment,animal,spreader series,Optical detection,other processing,electronic components,gas turbine,Grinding and polishing equipment
• Similar models:IKO NA4912U NSK NA4912TT IKO NA4912 CX RNA4912 NTN NA4912R IKO RNA4912U NTN RNA4912R NSK RNA4912TT NTN NA4912S INA RNA4912-XL
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4912 products，there is large inventory of KOYO RNA4912 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the RNA4912 Which KOYO 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
  1209K	45	85	19	CX	Self-Aligning Ball Bearings
  1221	105	190	36	AST	Self-Aligning Ball Bearings
  31328JR	140	300	77	KOYO	Tapered Roller Bearings
  3197/3130	33,338		29,997	KOYO	Tapered Roller Bearings
  482/472A	69,85	120	29,002	CX	Tapered Roller Bearings
  51104	20	35	10	SKF	Thrust Ball Bearings
  636 VV	6	22	7	NSK	Deep Groove Ball Bearings
  HUB048-35	27	63		NTN	Angular Contact Ball Bearings
  K14X18X13	14	18		Timken	Needle Roller Bearings
  NJ2222-E-TVP3+HJ2222-E	110	200	53	NKE	Cylindrical Roller Bearings
  RNAF 304017	30	40	17	IKO	Needle Roller Bearings
  RNA4980	450	540	140	ISO	Needle Roller Bearings
  UCC315-48	76,2		82	KOYO	Bearing Units
  29272E.MB	360	500		FAG	SPHERICAL ROLLER THRUST BEARINGS
  01/02/7306	30	72	19	RIV	TAPERED ROLLER BEARINGS
  CRBC9	3.7500	9.0000	4.7500	RBC	ROLLER CAM FOLLOWERS
  YET206-103W	1.1875	2.4409	.6299	SKF	BALL BEARINGS
  6226-2RS	230	130	40	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SN-322..1322	110	-	130	CONSOLIDATED	PILLOW BLOCKS
  F61902-ZZ	15	28	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS