GQZ LR604 Miniature Yoke Track Roller Bearing 4×13×4mm Single Row Ball Type Guide Roller

LR604 belongs to LR series yoke-type track roller bearing (cam follower).

Single row deep groove ball internal structure with thickened outer ring, designed for outer ring rotating operation, rolling directly on guide rails or cam surfaces.

Common variants:

• LR604:Open type
• LR604ZZ:Double-sided metal dust shield
• LR604-2RS:Double contact rubber seal
• LR604U:R500 crowned outer surface, reduce edge stress and compensate minor misalignment

It mainly bears radial loads, suitable for compact, miniature automation equipment, medium-speed linear motion transmission. Pre-greased option available for maintenance-free operation.

Formal quotation will be sent within 24 hours upon your inquiry.

Model

LR604

Dimensions

d4 mm, D13 mm, C4 mm

Minimum chamfer r

0.2 mm

Net weight

approx 0.010 kg

Structure

Single row ball yoke track roller bearing

Material

GCr15 bearing steel, pressed steel cage

Basic dynamic load Cr

870 N

Basic static load C0r

350 N

Limiting speed

• ZZ shield type: 27000 rpm
• 2RS sealed type: 18000 rpm

Complete dimension drawings and load data available on request.

1. Thick-walled outer ring improves rigidity, resist deformation under direct contact rolling load
2. Optional R500 crowned outer surface effectively avoids edge pressure and adapts slight installation deviation
3. Multiple sealing configurations: open / metal shield / rubber seal for different working environments
4. Ultra-compact miniature dimension, ideal for space-limited precision machinery layout
5. Standard LR series specification for global aftermarket interchange
6. Customizable: stainless steel version, OEM laser marking, special low-temperature grease, P6 precision grade

• Miniature automated production lines and small linear guide idler rollers
• Textile machinery, printing equipment and packaging automation assemblies
• Precision office equipment, optical equipment and small cam transmission units
• Medical automation devices and miniature conveying machinery
• Medium-speed light-load cam and guide rail rolling mechanisms

25 years professional bearing manufacturer, products exported globally.

Strict raw material heat treatment and outer ring surface precision grinding.

Support flat outer ring / crowned outer ring two types of processing.

24-hour technical support for seal type and surface profile selection.

Ample stock for machinery distributors.

Precise dimensions and stable service performance.

GCr15 raw material quenching & tempering hardness inspection

Precision superfinishing for outer rolling surface and raceways

Surface profile inspection for crowned version

Clearance grouping and rotational smoothness testing

If you need LR604 track roller bearings:

Send inquiry to obtain below supports:

• Quick quotation within 24 hours
• Alternative 2RS sealed / ZZ shield / U crowned outer ring solution
• Stainless steel LR604 consultation
• Competitive factory direct price
• Contact our sales team for full datasheets and formal offer.