d - 105 mm

D - 260 mm

Ew - 220.5 mm

B - 60 mm

C - 60 mm

r min. - 4 mm

r1 min. - 4 mm

Weight - 19.1 Kg

Basic dynamic load rating (C) - 471 kN

Basic static load rating (C0) - 510 kN

(Grease) Lubrication Speed - 2400 r/min

(Oil) Lubrication Speed - 3100 r/min

• Model Number: NF421
• Inner Diameter：105mm Outer Diameter：260mm Width：60mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:switch,shaft milling machine,office equipment,Optical Instruments,Gear grinding machine,Antenna Industry,hardware,Spectrum Products,ignition system,light therapy instrument,Traffic Fire Protection Equipment Security equipment
• Similar models:NACHI NF421 ISB NU421 CYSD NJ421 NTN RNNU3421 NTN RNNU4421 CX NJ421 CX HK4214 NACHI NU421 ISO BK4214 CX HK4216
• BEARING POWER International Trading Co.,Ltd. specialize in NF421 products，there is large inventory of KOYO NF421 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NF421 Which KOYO NF421 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
  30306	30	72	20,75	NTN	Tapered Roller Bearings
  52214	55	105	47	FAG	Thrust Ball Bearings
  53213	65	100	28.7	NACHI	Thrust Ball Bearings
  53312	60	110		CX	Thrust Ball Bearings
  6009-Z-NR	45	75	16	NKE	Deep Groove Ball Bearings
  6028	140	210	33	NKE	Deep Groove Ball Bearings
  6040 ZZ	200	310	51	CX	Deep Groove Ball Bearings
  88503	17	40	12	FBJ	Deep Groove Ball Bearings
  NJ1896	480	600	56	CX	Cylindrical Roller Bearings
  ZR1.14.0544.200-1SPTN	444	616	56	ISB	Thrust Roller Bearings
  CSXC100	10.0000	10.7500	.3750	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  UC212-204D1	2.2500	4.3307	1.0230	NTN	PILLOW BLOCKS
  KG350XPO	35.0000	37.0000	1.0000	KAYDON	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  6308K	40	90	23	SKF	DEEP GROOVE BALL BEARINGS
  313-SF	65	140	33	MRC	DEEP GROOVE BALL BEARINGS
  MFJ-2020	26		20	NSK	NEEDLE BEARINGS
  NPL-28	1.7500			Sealmaster	PILLOW BLOCKS
  FPXD408	4.5000	5.5000	.5000	SKF	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  FR-1	.0550	.1875	.1094	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  ZARF-90210-L	90	210		CONSOLIDATED	NEEDLE BEARINGS