(dimensions in mm)

Bearing Type - Open

Bore Dia (d) - 4.0000

Outer Dia (D) - 9.0000

Width (B) - 2.5000

Radius (min) (rs) - 0.100

Dynamic Load Rating (Cr) - 545

Static Load Rating (Cor) - 182

Max Speed (Grease) (X1000 RPM) - 53

Max Speed (Oil) (X1000 RPM) - 63

Max. Shaft Shoulder Dia. Inner (Li) - 5.2

Min. Housing Shoulder Dia., Outer (Lo) - 7.5

Ball Qty - 7

Ball Dia (Dw) - 1.5880

Weight (g) - 0.65

Precision - A1

Standard Clearance - K25

Material - Martensitic Stainless Steel

Also available in 52100 Chrome Steel

ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.

• Model Number:684H
• Inner Diameter：4mm Outer Diameter：9mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:root canal filling,luminescent reagent,coal,organic raw materials,Cylinder Pneumatic Treatment Element,Oral Image,Cleaning equipment,non-ferrous metal alloy,forklift industry,cooling system,rock drilling machinery
• Similar models:FBJ 684ZZ NTN 6848 ZEN SF684-2RS NACHI 6848 AST F684H-2RS KOYO SB6849 CYSD 6848 ISO F684ZZ ZEN 684-2RS NTN 6844
• BEARING POWER International Trading Co.,Ltd. specialize in 684H products，there is large inventory of AST 684H . We has been built up long-term cooperation with AST company, could make a bulk order of the 684H Which AST 684H 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
  22222 CW33	110	200	53	CX	Spherical Roller Bearings
  71802 ATBP4	15	24	5	CX	Angular Contact Ball Bearings
  52312	110	50	64	SKF	Thrust Ball Bearings
  71848 CTBP4	240	300	28	CX	Angular Contact Ball Bearings
  FYT 30 TF/VA201	32,7	30	13	SKF	Bearing Units
  K60×68×23	60	68		NTN	Needle Roller Bearings
  NUP2305-E-TVP3	25	62	24	NKE	Cylindrical Roller Bearings
  RAE35-NPP-FA106	35	72	39	INA	Deep Groove Ball Bearings
  RNAO-50×62×40ZW	50	55	40	NTN	Needle Roller Bearings
  RNU3840	190,000	300,000	85,725	NTN	Cylindrical Roller Bearings
  YAS30	30			FAF	PILLOW BLOCKS
  BA1816ZOH			1.0000	IKO	NEEDLE BEARINGS
  SAF-511	1.8750			SKF	PILLOW BLOCKS
  WR-40	4.9213	2.5000	1.3750	FED	BALL BEARING
  51428				SKF	THRUST BALL BEARINGS
  FX4	4	10	3	SKF	DEEP GROOVE BALL BEARINGS
  190RU92	190	340	4.5000	Torrington (Old No.)	CYLINDRICAL ROLLER BEARINGS
  7200BEG(Y/P)	10	30	9	STEYR	ANGULAR CONTACT BALL BEARINGS
  1603	.3125	.8750	.2812	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  H-319x33/16	95	125		CONSOLIDATED	ADAPTERS