Deep Groove Ball Bearing, 12 × 21 × 5mm
LASER PARTS | BEARINGS & MOTION COMPONENTS
Compact Steel Bearing for Smooth Rotational Movement
This deep groove ball bearing provides smooth rotational movement for compatible laser machine components and other mechanical equipment. Its compact dimensions make it suitable for applications requiring a 12 mm shaft opening and a 21 mm outside diameter.
Made from steel, this bearing is a replacement option for worn or damaged bearings with matching dimensions and operating requirements. Proper fit and installation help maintain reliable movement within compatible assemblies.
Inner Diameter: 12 mm
Outer Diameter: 21 mm
Width: 5 mm
Bearing Type: Deep groove ball bearing
Material: Steel
Key Features
Deep Groove Ball Bearing Design
Designed to support smooth rotational movement in compatible machine components and mechanical assemblies.
Steel Construction
Steel bearing components provide durability for compatible rotating applications.
Compact Dimensions
The 12 mm inner diameter, 21 mm outer diameter, and 5 mm width make this bearing suitable for compact mechanical assemblies requiring these dimensions.
Replacement Motion Component
A replacement option for existing bearings when the size, bearing configuration, and equipment requirements match.
Technical Specifications
Deep groove ball bearing
244
12 mm
21 mm
5 mm
Steel
Compatible laser machine motion components and rotating equipment
Check Compatibility Before Ordering
Verify the inner diameter, outer diameter, width, and bearing configuration against your existing component. Bearings with identical dimensions may have different shields, seals, internal clearances, or operating requirements.
Installation Note: Use the appropriate bearing installation method for your equipment. Avoid transferring installation force through the bearing balls.
Need Help Finding the Right Replacement?
Not sure whether this bearing fits your laser machine? Contact Rabbit Laser USA with your machine model, existing bearing dimensions, and any part identification numbers. Our technical support team can help you identify the correct replacement.