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：2025-12-22
• Application:comprehensive experiment,insect experimental analysis instrument,Industry,tower crane,manual Tools,industrial skin care,Display Devices,aerial work platform,test equipment,vacuum filter,Internal thread type
• Similar models:NACHI NP421 NACHI NU421 FAG NJ421-M1+HJ421 NSK EE420651/421417 NSK EE420801/421417 KOYO NJ421 NSK EE234156/234215 NTN NU421K ISB FCD4464210 CX NP421
• 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
  25577/25521	42,875		25,4	KOYO	Tapered Roller Bearings
  311NPP	55	120	29	Timken	Deep Groove Ball Bearings
  331075/Q	65	145	39,5	SKF	Tapered Roller Bearings
  331306	1295,4	901,7	450,85	SKF	Tapered Roller Bearings
  4CR920	920	1280	865	KOYO	Cylindrical Roller Bearings
  5305	25	62	25.4	KOYO	Angular Contact Ball Bearings
  E-M240631T/M240644TD/M240647T/M240611D	180,843	284,162	239,715	NTN	Tapered Roller Bearings
  90TP139	228,6	355,6	76,2	Timken	Thrust Roller Bearings
  GYE40-KRR-B	40	80	49,2	INA	Deep Groove Ball Bearings
  HSS7010-C-T-P4S	50	80	16	FAG	Angular Contact Ball Bearings
  K22×27×20	22	27		NTN	Needle Roller Bearings
  NF226	130	230	40	KOYO	Cylindrical Roller Bearings
  RT609	38,1	76,2	20,637	INA	Thrust Roller Bearings
  SB684556	340	449,5	56	KOYO	Deep Groove Ball Bearings
  W 61803 R	17	26	5	SKF	Deep Groove Ball Bearings
  QJ307	35	80	21	FAG	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  XW-31/4				INA	THRUST BALL BEARINGS
  FX3/32	.0937	.3125	.1406	SKF	DEEP GROOVE BALL BEARINGS
  HJ-1096	480		25	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NX-7-Z	14	7		CONSOLIDATED	NEEDLE BEARINGS