Metric Size Miniature Flanged Ball Bearings F685 2rs

The F685 2rs is a small, sealed ball bearing with a 5mm bore and 11mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 137 lbf and spins at speeds up to 45,000 RPM, making it great for high-speed applications.

Its nitrile rubber seals keep dirt out and lubrication in, while the stainless steel cage ensures smooth operation. The compact design, just 5mm wide, fits easily into tight spaces.

This bearing is ideal for small electric motors, drones, or precision tools where reliability and speed matter. It operates in temperatures from -30°C to 110°C and meets RoHS and REACH standards.

Weighing only 2.15g, it’s lightweight yet robust for its size. The flange adds extra stability during installation, making it user-friendly for maintenance tasks.

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Description

Features

Application

Q&A

Product Parameters

Part Number F685 2rs
Brand TFL
System of Measurement Metric
Bearing Type Ball
Bore Dia 5 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia 11 mm
Outer Dia Tolerance -0.008mm to 0
Width 5 mm
Width Tolerance -0.12mm to 0
Flange Outer Dia 12.5 mm
Flange Thickness 1 mm
Radial Clearance 0.002mm to 0.013mm
Ball Qty 8
Ball Dia 1.5880 mm
For Load Direction Radial
Construction Single Row
Inner Ring Type Standard
Seal Type Sealed
Tolerance Class ABEC1
Radial Clearance Trade No MC3
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Stainless Steel
Dynamic Radial Load 137 lbf
Static Radial Load 51 lbf
Max Speed 45000 rpm
Temperature Range -30° to 110 °C
Lubrication Required
RoHS Compliant
REACH Compliant
Weight 2.15 g
Shield Material Nitrile Rubber
Price（$） 1.35

Metric Size Miniature Flanged Ball Bearings F685 2rs dimension drawing

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Features

How Does F685 2rs Bearing Reduce Friction?

F685 2rs Bearing features a sealed design with nitrile rubber shields, preventing contaminants from entering and reducing friction.
Its chrome steel construction ensures smooth operation, even at high speeds up to 45,000 rpm.
The stainless steel cage maintains ball alignment, minimising wear and extending the bearing’s life.
With a dynamic radial load capacity of 137 lbf, it offers reliable performance in compact applications.

Application

Common Applications of F685 2rs Bearing
F685 2rs Bearing is widely used in small electric motors, such as those found in household appliances like fans and blenders. Its sealed design helps keep out dust and moisture, ensuring longer service life in everyday environments.

In automotive applications, F685 2rs Bearing fits well in components like window regulators and wiper motors. The compact size and high-speed capability make it a reliable choice for these precision mechanisms.

For hobbyist projects like RC cars or drones, F685 2rs Bearing offers smooth rotation and durability. The lightweight construction and nitrile rubber seal are particularly suited for these high-performance miniaturised systems.

Medical device manufacturers often specify F685 2rs Bearing for portable equipment due to its consistent performance. The chrome steel construction provides the necessary reliability for critical healthcare applications.

In office equipment like printers and scanners, F685 2rs Bearing ensures quiet operation and precise movement. The ABEC1 tolerance class strikes a good balance between performance and cost-effectiveness for these common devices.