d - 4 mm

D - 9 mm

B - 4 mm

C - 4 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 - 0,76 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: W684AX50Z
• Inner Diameter：4mm Outer Diameter：9mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:lifting equipment Hoisting hoist,Digital Generator,electromagnet,Machine tool accessories,car and accessories,Broadcasting System,Industrial,wire industry,flow control valve,equipment,storage and transportation equipment
• Similar models:CYSD 6844-RZ KOYO WFN684ZZ ISO F684ZZ ZEN 684-2Z CYSD 6848N NTN 684AX50 KOYO 306842A NTN W684ASSA CYSD 6844-RS NTN 6840ALLU
• BEARING POWER International Trading Co.,Ltd. specialize in W684AX50Z products，there is large inventory of NTN W684AX50Z . We has been built up long-term cooperation with NTN company, could make a bulk order of the W684AX50Z Which NTN W684AX50Z 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
  1985/1932	28,575	58,738	19,05	Fersa	Tapered Roller Bearings
  2212-2RSKTN9	60	110	28	ISB	Self-Aligning Ball Bearings
  71918 ACE/HCP4AH1	125	90	18	SKF	Angular Contact Ball Bearings
  7205CDT	25	52	15	NACHI	Angular Contact Ball Bearings
  CX103				CX	Wheel Bearings
  D/W R144J-2Z	3,175	6,35	2,779	SKF	Deep Groove Ball Bearings
  F-204754.2	42,01	72	30	INA	Cylindrical Roller Bearings
  FYRP 1 11/16-18	42,862	68,659	107,95	SKF	Bearing Units
  G1112KRR	44,45	85	42,86	Timken	Deep Groove Ball Bearings
  GS 81218	10,5	135	93	SKF	Thrust Roller Bearings
  NCS5232	82,55	107,95	50,8	AST	Needle Roller Bearings
  53232U				FAG	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  NUP312E	60	130	31	SKF	CYLINDRICAL ROLLER BEARINGS
  YAR205-014	.8750	2.0470	.7080	SKF	PILLOW BLOCKS
  6014.RSNR	70	110	20	STEYR	DEEP GROOVE BALL BEARINGS
  YET-206-104CW	1.2500	2.4409	.6299	SKF	BALL BEARINGS
  6030Z	150	225	35	SKF	DEEP GROOVE BALL BEARINGS
  6220-K	100	180	34	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  AOH-24176x360	380	360		CONSOLIDATED	WITHDRAWAL SLEEVES
  NNCF-5015V	75	115	54	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS