The INA ZL5204-DRS is a stud-type track roller bearing with 20 mm stud diameter, 52 mm outer diameter, and ~45 mm width. It is a double-row angular contact ball bearing with a thick-walled outer ring, lip seal on one side, and designed for high radial load capacity in track guidance applications.

Dimensions

• Stud Diameter (d1): 20 mm
• Outer Diameter (D): 52 mm
• Width (B): 45.3 mm
• Weight: ~0.25 kg

Design Features

• Type: Stud-type track roller (cam follower)
• Bearing Arrangement: Double-row, self-retaining angular contact ball bearing
• Outer Ring: Thick-walled for durability under heavy loads
• Stud: Solid, short roller stud with threaded hole (M10)
• Sealing: Lip seal on stud side + shield with cover on end face
• Mounting Aid: Slot on face side for easy installation
• Relubrication: No relubrication facility (sealed for life)