UC209 Koyo (JTEKT) — Technical Spec Sheet

Brand: Koyo (JTEKT)
Item / Part Number: UC209
Also Known As (Cross References): 56209, GYE45KRRB, YAR209-2F
Category: Bearings for Housings
Product Type: Radial insert ball bearing (Y-bearing / insert bearing)

Key Construction & Features

• Bore: Cylindrical bore
• Inner Ring: Widened inner ring on both sides
• Fixing / Locking: Threaded pins (set screws)
• Outer Ring: Spherical (self-aligning in housing)
• Seals: Contact seal on both sides (2F – Standard Seal for Y-bearings)
• Cage: Sheet steel cage
• Material: Standard bearing steel
• Lubrication: Standard lubrication + lubrication hole(s)

Dimensions

• Bore (d): 45.000 mm (1.7717 in)
• Outer Diameter (D): 85.000 mm (3.3465 in)
• Width (B): 49.200 mm (1.9375 in)

Tolerance / Accuracy

• Tolerance Class: P0 / PN2 / ABEC 1

Operating Temperature

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

Weight

• Weight: 0.725 kg (≈ 0.74 kg)

IDs / Customs

• Product ID: 10196497
• Customs Tariff Number (HS Code): 8482 1090