(dimensions in inches)

Bearing Type - Flanged Shielded

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Width (B) - 0.1960

Radius (min) (rs) - 0.012

Flange Dia (Df) - 0.6900

Flange Width (Bf) - 0.042

Dynamic Load Rating (Cr) - 333

Static Load Rating (Cor) - 131

Max Speed (Grease) (X1000 RPM) - 38

Max Speed (Oil) (X1000 RPM) - 45

Max. Shaft Shoulder Dia. Inner (Ui) - 0.3

Min. Housing Shoulder Dia., Outer (Uo) - 0.543

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.90

Precision - A1

Standard Clearance - K25

Material - 52100 Chrome steel (or equivalent)

Also available in Stainless Steel, add prefix "S"

ABEC Grades 1, 3, 5, 7, and 9 are available.

Two metal shields = (ZZ), also available with a single metal shield = (Z).

• Model Number:FR4ZZ
• Inner Diameter：6,35mm Outer Diameter：15,875mm Width：4,9784mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:medical equipment,safety testing,air conditioning tools,other CNC,plastic blow molding,Automobile,Spectrum Products,paint paint,printing machinery,Sensors,wall materials
• Similar models:AST SR144ZZ FYH SA210-30F NSK FR3ZZ NACHI 6924 Timken YA103RRB Timken 226W3 NTN 6407Z ISB 619/9 Timken SM1013KB NTN 6804ZZ/42
• BEARING POWER International Trading Co.,Ltd. specialize in FR4ZZ products，there is large inventory of AST FR4ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the FR4ZZ Which AST FR4ZZ 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
  16076	380	560	57	ISO	Deep Groove Ball Bearings
  21309 KW33	45	100	25	ISO	Spherical Roller Bearings
  32028	140	210	45	ISO	Tapered Roller Bearings
  3382/3328	39,688	84,138	29,37	ISO	Tapered Roller Bearings
  4T-M804048/M804010	47,625	88,9	25,4	NTN	Tapered Roller Bearings
  7014UCG/GNP42	70	110	20	NTN	Angular Contact Ball Bearings
  7334 A-UD	170	360	144	CX	Angular Contact Ball Bearings
  AST090 13580	135	140		AST	Plain Bearings
  NJ5218	90	160	52,4	ISO	Cylindrical Roller Bearings
  RNA4909L	52	68	22	NTN	Needle Roller Bearings
  THR6066	300	663.5	165	KOYO	Thrust Roller Bearings
  SMF105-2Z	5	10	4	ZEN	Deep Groove Ball Bearings
  TRI 8512045	85	120	45,5	IKO	Needle Roller Bearings
  803029	110	200	63	FAG (Old No.)	SPHERICAL ROLLER BEARINGS
  SN522	100		120	SKF	PILLOW BLOCKS
  180RJ03	180	380	75	Torrington	CYLINDRICAL ROLLER BEARINGS
  NU-2252E	260	480	130	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NK-43/30	53		30	CONSOLIDATED	NEEDLE BEARINGS
  IR-17x20x16	17		16	CONSOLIDATED	NEEDLE BEARINGS
  180x200x15mm	180	200	15	CONSOLIDATED	OIL SEALS