PFI 203 KRR5 C3 - Deep Groove Ball Bearing 13x40x18.3 mm

PFI 203 KRR5 C3 - Deep Groove Ball Bearing 13x40x18.3 mm

Meet the PFI 203 KRR5 C3, a premium deep groove ball bearing engineered for durability and precision. It features a flat outer ring—ideal for flush fits—and an enhanced C3 internal clearance for optimal performance under thermal stress or tight assembly conditions. Perfect for industrial and agricultural applications demanding reliability and ease of integration.

Key Features

• Manufacturer / Model: PFI 203 KRR5 C3 — a single-row, deep-groove ball bearing with flat outer ring for stable mounting.

• Dimensions: 13 mm inner diameter x 40 mm outer diameter x 18.3 mm width—compact, industry-standard sizing.

• C3 Radial Clearance: Applies greater internal play to accommodate thermal expansion or minor misalignment, ensuring consistent performance.

• Flat Outer Ring: Offers a more secure fit in applications with close tolerances or flat housing surfaces.

• Versatile Applications: Ideal for agricultural equipment, motorized assemblies, conveyors, and machinery requiring durable bearings with low maintenance.

7. FAQ (SEO-rich)

• What does PFI 203 KRR5 C3 stand for?
  A deep groove ball bearing from PFI, with a flat outer ring and enhanced C3 clearance.

• Why does C3 clearance matter?
  It allows thermal expansion and reduces binding in hot or tightly assembled systems.

• What are the exact dimensions?
  Inner diameter 13 mm, outer diameter 40 mm, width 18.3 mm.

• What's the advantage of a flat outer ring?
  It ensures stable, flush installation—great for low-profile housings.

• Where is this bearing commonly used?
  In agricultural machinery, small drive systems, and equipment requiring compact, reliable bearing solutions.