GN203KRRB Eccentric Locking Collar Agricultural Ball Bearing (2-3/16" Bore) ── 2-3/16" x 120mm x 73.025mm | Heavy-Duty Sealed Relubricable Spherical OD Unit | Replaces Timken Fafnir GN203KRRB, Peer GN203KRRB, SKF GN203KRRB

✦ Technical Specifications & Brand Interchange Matrix

Bearing Part Number: GN203KRRB (Heavy-Duty Eccentric Locking Ball Bearing)

Precise Physical Dimensions:

Inner Diameter (Shaft Bore - d): 2-3/16 in (55.562 mm)

Outer Diameter (OD - D): 120 mm (4.724 in)

Inner Ring Overall Width (B): 73.025 mm (2.875 in)

Outer Ring Width (C): 27 mm (1.063 in)

Brand & Industry Cross-References:

Timken / Fafnir: GN203KRRB

Peer Bearing: GN203KRRB

SKF: GN203KRRB / YET 211 Series

Major OEM Equipment: John Deere, Case IH, New Holland, Claas, AGCO drive shafts

⚡ Structural Advantages & Heavy-Duty Performance

Eccentric Locking Collar System: Features a heavy-duty eccentric locking collar mechanism that firmly grips the shaft in the direction of rotation, preventing shaft slipping, fretting, and galling under high torque.

Extended 73.025mm Wide Inner Ring: Wide inner ring design distributes heavy radial load over an expanded shaft contact surface, ensuring superior rotational stability and minimizing shaft deflection.

Spherical Outer Ring with Relubrication Feature: Self-aligning spherical outer profile easily accommodates housing misalignments, complete with external lube groove and lubrication holes for easy servicing.

Heavy-Duty KRR Multi-Lip Sealing Barrier: Advanced multi-lip contact rubber seals form an impenetrable barrier against mud, water, fertilizer dust, and abrasive field grit.

🚜 Agricultural & Industrial Machinery Deployment

Combines & Harvesters: Direct replacement drive shaft bearing for John Deere, Case IH, and Claas combine harvesters, threshing cylinders, and feeder house shafts requiring a 2-3/16" bore.

Tillage & Seeders: Essential heavy-duty bearing unit for large disc harrows, air seeders, and tillage implement main jackshafts operating under heavy field drag.

Severe Duty Conveyors & Drives: Designed for demanding agricultural grain handling systems, augers, and industrial power transmission equipment subjected to high dirt and moisture exposure.