+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Inch Size Miniature Ball Bearings R4 2rs

Inch Size Miniature Ball Bearings R4 2rs

The R4 2RS is a compact miniature ball bearing with a 0.25″ bore and 0.625″ outer diameter, crafted from durable chrome steel. It handles radial loads up to 283 lbf and spins smoothly at speeds up to 38,000 RPM.

Its sealed design with nitrile rubber shields keeps dirt out and grease in, reducing maintenance needs. The stainless steel cage ensures reliable performance, even in temperatures from -86°F to 230°F.

This bearing is ideal for small machinery or precision instruments where space is limited. With ABEC1 tolerance and MC3 radial clearance, it offers consistent performance for everyday applications.

Weighing just 4.54g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, it’s a practical choice for various industrial uses.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number R4 2rs
  • Brand TFL
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Seal Type Sealed
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Radial Clearance 0.00008" to 0.0005"
  • Ball Qty 8
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.0003" to 0"
  • Outer Dia 0.625"
  • Outer Dia Tolerance -0.0003" to 0"
  • Width 0.196"
  • Width Tolerance -0.005" to 0"
  • Ball Dia 0.09370"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Shield Material Nitrile Rubber
  • Dynamic Radial Load 283 lbf
  • Static Radial Load 112 lbf
  • Max Speed 38000 rpm
  • Temperature Range -86 to 230 °F
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.54 g
  • Price（$） 0.855
Inch Size Miniature Ball Bearings R4 2rs dimension drawing
Download DWG Download PDF

Features

How Does R4 2rs Bearing Reduce Friction?

R4 2rs Bearing features a sealed design with nitrile rubber shields, preventing contaminants from entering and reducing friction.
Its chrome steel rings and balls ensure smooth operation, even at high speeds up to 38,000 rpm.
The stainless steel cage maintains proper ball alignment, minimising wear and extending service life.
With a dynamic radial load capacity of 283 lbf, it offers reliable performance in compact applications.

Application

Where Is R4 2rs Bearing Used?
R4 2rs Bearing is commonly found in small-scale machinery, such as electric motors and precision instruments, where its compact size and sealed design prevent dust ingress. The chrome steel construction ensures durability even in high-speed applications.

In consumer electronics, R4 2rs Bearing is ideal for devices like printers and small fans, offering smooth rotation with minimal maintenance. Its ABEC1 tolerance class provides reliable performance for everyday use.

For hobbyist projects, R4 2rs Bearing’s inch sizing makes it easy to integrate into DIY tools and models. The nitrile rubber seals help extend its lifespan by keeping contaminants out.

Automotive accessories like dashboard mechanisms also benefit from R4 2rs Bearing’s radial load capacity. The stainless steel cage adds extra resistance to wear in fluctuating temperatures.

Q&A

SEND INQUIRY