Fw - 40 mm

D - 55 mm

E - 47 mm

C - 20 mm

r min. - 0,3 mm

Da max. - 53 mm

db - 46,2 mm

ra max. - 0,3 mm

Db - 40,6 mm

Weight - 0,145 Kg

Basic dynamic load rating (C) - 31 kN

Basic static load rating (C0) - 51,5 kN

(Grease) Lubrication Speed - 6 500 r/min

(Oil) Lubrication Speed - 10 000 r/min

• Model Number: RNAO-40×55×20
• Inner Diameter：40mm Outer Diameter：47mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:municipal machinery,packaging machinery,gear grinding machine,standing experimental equipment,Laser Measurements,milling head plug,hydraulic control element,walking Food processing machinery and equipment,electromyography machine,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,packing equipment
• Similar models:NTN K40X45X13 IKO TA4015Z KOYO WRPU384440F KOYO RV405620-4 Timken HK4020 IKO KT404527 INA NKI40/30-TV CX K40x47x20 NBS RNA4840 NSK LM6040
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  1209K	45	85	19	ISO	Self-Aligning Ball Bearings
  31594/31521	34,925	76,2	29,37	FBJ	Tapered Roller Bearings
  240/1000 K30	1000	1420	412	ISB	Spherical Roller Bearings
  24072-K30-MB-W33	360	540	180	NKE	Spherical Roller Bearings
  7821CG/GNP42	105	130	13	NTN	Angular Contact Ball Bearings
  BL 308 ZZ	40	90	23	NSK	Deep Groove Ball Bearings
  CX335				CX	Wheel Bearings
  FWF-323920	32	39		NSK	Needle Roller Bearings
  K18X24X12	18	24		INA	Needle Roller Bearings
  GEH140XF/Q	140	210	100	LS	Plain Bearings
  K32X40X36H	32	42		KOYO	Needle Roller Bearings
  NJ2226 E	130	230	64	CX	Cylindrical Roller Bearings
  NU236 E	180	320	52	CX	Cylindrical Roller Bearings
  S7007 ACE/P4A	62	35	14	SKF	Angular Contact Ball Bearings
  UCT319	95			NACHI	Bearing Units
  HF-1616	22		16	INA	NEEDLE BEARINGS
  22317EAS.MA.C4.T41A	85	180	60	FAG	SPHERICAL ROLLER BEARINGS
  5211-CFFG	55	100	33.3	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  214-MFF	70	125	24	MRC	DEEP GROOVE BALL BEARINGS
  SUPER-16	1.0000	1.5625	2.2500	Thomson	EXTRA CAPACITY LINEAR RECIRCULATING BALL BEARINGS