Round Bore Ag Bearing, 0.5150"X1.5765"X0.7200"X0.4710

Round Bore Ag Bearing, 0.5150 ID X 1.5765 (40mm) OD

The 203KRR5 Round Bore Ag Bearing, 0.5150″ I.D. X 1.5765″ (40 mm) O.D. is a specialty agricultural bearing built for durability and smooth rotation in planter and grain drill applications. Manufactured by Timken, this bearing fits a range of implement models and is designed to deliver reliable performance in rugged farm environments.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 203KRR5
• Brand: Timken
• Product Type: Round Bore Agricultural Bearing
• Bearing Inner Diameter (I.D.): 0.5150″ (1/2″)
• Bearing Outer Diameter (O.D.): 1.5765″ (40 mm)
• Inner Ring Width: 0.7200″
• Outer Ring Width: 0.4710″
• Bore Shape: Round
• Bearing Type: Specialty agricultural bearing
• Primary Application: Planters & grain drills
• Durability: Designed for heavy agricultural use with stability and long service life

Interchanges / Equivalent Numbers

• 611928R91 (CNH)
• 203KRR5
• 203RRAR8
• 562134
• 552‑20SP

Ideal For

• Planter and grain drill assemblies where a reliable round‑bore bearing is required
• Agricultural equipment maintenance and repair
• Users needing a Timken bearing with multiple OEM interchange numbers
• Heavy‑duty, high‑load applications found on farm machinery
• Replacement bearing for worn or damaged units in implements

This bearing keeps your planter and drill operations turning smoothly—because when the drill hits the dirt, you want the hardware to hold up without missing a beat!