Flanged Ball Bearing 4x9x4mm

  • Brand: MAXX
  • Product Code: MF684ZZ
  • Availability: In Stock

Product Information

Flanged Ball Bearings are to reduce rotational friction and support radial loads. Ideal for precision work with close tolerances suitable for building models and applications.
The flanged ball bearings have a flanged outer ring to facilitate location in housing axially and eliminate the need for housing shoulders. Made of heat-treated Chrome steel.


2 x Flanged Ball Bearings





Bore Diameter: d=4mm
Outer Diameter: D=9mm
Width: B=4mm
Flange Diameter: Df=10.3mm
Flange Width: Bf=0.6mm
Inner Race: Di=5.2mm
Outer Race: Do=7.5mm
Radius: R=0.15mm
Dynamic Load Rating: C=49kgf
Static Load Rating: Co=22kgf
Bearing Type: Flanged Deep Groove Ball Bearing
Closure: Metal Shields
Material: Chrome Steel (SAE52100)


Heat-treated Chrome steel
Flanged outer ring
Reduced rotational friction
Radial loads support
Close tolerances


1.2 grams/each


Use for building models and applications


Bearing lubricant oil/grease is recommended for smooth operation




 Temperature (Celsius - Fahrenheit)
°C °F
 Length (Millimeter - Inch)
mm in
 Weight (Gram - Ounce)
gr oz
 Force (Kilogram-force - Newton)
kgf N
 Torque (Kilogram-force Centimeter - Ounce-force Inch)
kg.cm oz.in
 Energy (Joule - Foot-Pound)
J ft-lb
 Speed (Meters per Second - Feet per Second)
mps fps
Kinetic Energy & Shooting Range
BB Weight BB Velocity Energy Range
gr fps Joule Feet
gr mps Joule Meter
Propeller Pitch Angle
Prop. Diameter Prop. Pitch Pitch Angle
Inch Inch Degree
Battery Discharge Rate
Capacity Rating Discharge
mAh x C Ampere
Flight Time
Battery Capacity Motor Rating Flight Time
mAh A Minute
Gear Ratio
Motor Pinion Main Gear Gear Ratio
Teeth Teeth :1
Head Speed
Max. Head Speed   RPM
Motor KV Rating Battery Voltage Gear Ratio
RPM/V V :1

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