d - 4 mm

D - 9 mm

B - 2,5 mm

C - 2,5 mm

r min. - 0,15 mm

da min. - 5 mm

da max - 5,2 mm

Da max. - 7,8 mm

ra max. - 0,1 mm

Weight - 0,67 Kg

Basic dynamic load rating (C) - 0,64 kN

Basic static load rating (C0) - 0,224 kN

(Grease) Lubrication Speed - 49 000 r/min

(Oil) Lubrication Speed - 57 000 r/min

Calculation factor (f0) - 12,7

• Model Number: 684AX50
• Inner Diameter：4mm Outer Diameter：9mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-13
• Application:disposable,top industry,electromyography machine,pump,ultra-quiet generators,electronic materials,lifting chain,glass processing machine,Power equipment,orthodontic material,power tools
• Similar models:KOYO 6848 PFI 684-2RSC3 KOYO 6844 ZEN F684-2RS KOYO 306841 NTN FL684AX50 NTN F-684 AST F684H NTN 6840 CYSD 6848N
• BEARING POWER International Trading Co.,Ltd. specialize in 684AX50 products，there is large inventory of NTN 684AX50 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 684AX50 Which NTN 684AX50 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
  2206-K-TVH-C3	30	62	20	FAG	Self-Aligning Ball Bearings
  23164 KCW33+AH3164	320	540	176	ISO	Spherical Roller Bearings
  2R4414V	220,000	370,000	195,000	NTN	Cylindrical Roller Bearings
  6013NR	65	100	18	NTN	Deep Groove Ball Bearings
  605-2Z	5	14	5	ZEN	Deep Groove Ball Bearings
  6252	260	480	80	CX	Deep Groove Ball Bearings
  7028 C-UD	140	210	66	CX	Angular Contact Ball Bearings
  ACT052DB	260	400		KOYO	Angular Contact Ball Bearings
  BTH-1215C	55	90	54	SKF	Tapered Roller Bearings
  EE333140/333203CD+X1S-333140	355,6	514,35	193,675	Timken	Tapered Roller Bearings
  HAR928	140	190	24	KOYO	Angular Contact Ball Bearings
  HC71920-E-T-P4S	100	140	20	FAG	Angular Contact Ball Bearings
  KZK22X29X16	22	29	16	ISO	Needle Roller Bearings
  M274149/M274110G2	501,65	711,2	136,525	NTN	Tapered Roller Bearings
  NK32/20-TN-XL	32	42	20	INA	Needle Roller Bearings
  NP 332	160	292		NACHI	Cylindrical Roller Bearings
  S-3504-2RSNR	20	47	.8125	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  W-5/8				CONSOLIDATED	THRUST BALL BEARINGS
  30x48x10mm	30	48	10	CONSOLIDATED	OIL SEALS
  	8.7500	7.6250		CONSOLIDATED