Brand: KOYO

Item Number: UC204 

EAN: 0087796069398

Product Type: Insert Ball Bearing (Mounted Bearing Insert)

Category: Bearings for Housings / Radial Insert Ball Bearing

Also Known As:
56204
GYE20KRRB
YAR204-2F

Dimensions:
Inner Diameter (d): 20 mm (0.7874 in)
Outer Diameter (D): 47 mm (1.8504 in)
Width (B): 31 mm (1.2205 in)

Weight:
0.14 kg

Bearing Type:
Radial Insert Ball Bearing with Spherical Outer Ring

Inner Ring Design:
Extended Inner Ring on Both Sides

Locking Method:
Set Screw Locking (Threaded Pins)

Seal Type:
2F – Standard Seal for Y-Bearings

Lubrication:
Pre-lubricated with lubrication hole(s) for relubrication

Precision Class:
Standard Precision (P0 / PN2 / ABEC 1)

Operating Temperature Range:
-20 °C to +120 °C

Material:
High-carbon chromium bearing steel

Product Description:
The KOYO UC204 is a radial insert ball bearing designed for mounted bearing applications. It features a spherical outer ring, allowing self-alignment within compatible housings, which helps compensate for minor shaft misalignment.

The bearing includes an extended inner ring with set screw locking, ensuring secure shaft attachment and stable operation. The 2F sealing system provides effective protection against dust and contaminants while maintaining reliable lubrication.

Manufactured to Timken’s high quality standards, this insert bearing is widely used in industrial and agricultural equipment where durability, reliability, and ease of maintenance are required.

Key Features:
• High-quality Timken insert bearing
• Spherical outer ring for self-alignment in housings
• Extended inner ring with set screw locking system
• 2F sealing for protection against contamination
• Pre-lubricated with relubrication capability
• Suitable for mounted units such as pillow block, flange, and take-up housings

Typical Applications:
Conveyors, agricultural machinery, fans, packaging equipment, material handling systems, and general industrial machinery.

PACKAGE INCLUDES: ONE (1) KOYO Bearing UC204