SSA203 17mm Eccentric Locking Collar Insert Ball Bearing (17x40x28.6mm) ── Heavy-Duty Agricultural & Industrial Bearing Unit | Replaces Timken GRAE17RRB SSGRAE17RRB, SKF YET 203/17, FYH SAA203-17, NTN AEL203-17D1, INA GRAE17-XL-NPP-B
Precision-engineered for agricultural machinery, conveyor drive systems, food processing equipment, and industrial power transmission assemblies, the SSA203 17mm eccentric locking collar insert bearing features exact physical dimensions of 17mm Shaft Bore (0.669") x 40mm Outer Diameter (1.575") x 28.6mm Inner Ring Width/Length (1.126"). Built with a spherical outer ring, eccentric locking collar mechanism for positive shaft clamping, and heavy-duty contact rubber seals, pre-packed with wide-temperature synthetic grease to prevent shaft slippage and lock out moisture, dust, and slurry. Direct cross-reference interchange for Fafnir / Timken GRAE17RRB / SSGRAE17RRB, SKF YET 203/17, FYH SAA203-17, NTN AEL203-17D1, and INA GRAE17-XL-NPP-B.
⚙️ Technical Specifications & Brand Interchange Matrix
Bearing Part Number: SSA203-17 / SSA203 / SAA203-17 (Eccentric Collar Insert Bearing)
Precise Physical Dimensions:
Inner Diameter (Shaft Bore - d): 17 mm (0.669 in)
Outer Diameter (OD - D): 40 mm (1.575 in)
Inner Ring Width / Length (B): 28.6 mm (1.126 in)
Major Brand Cross-References:
Fafnir / Timken: GRAE17RRB (Standard Steel) / SSGRAE17RRB (Stainless Steel)
SKF: YET 203/17
FYH: SAA203-17
NTN: AEL203-17D1
INA / Schaeffler: GRAE17-XL-NPP-B
⚡ Structural Advantages & Eccentric Locking Performance
Eccentric Locking Collar Mechanism: Designed with a precision-machined eccentric collar that tightens in the direction of shaft rotation, ensuring non-slip locking force on smooth ground shafts.
Spherical Outer Ring Alignment: Self-aligning spherical outer profile compensates for initial static housing misalignments and mounting deflections.
Heavy-Duty Contact Rubber Seals: High-efficiency contact seals provide a complete protective barrier against water, damp field slurry, fertilizer dust, and abrasive grit.
Maintenance-Free Synthetic Pre-Lubrication: Factory pre-filled with wide-temperature agricultural synthetic grease, extending operational service life and eliminating routine greasing.
🚜 Agricultural & Industrial Machinery Deployment
Agricultural Implements & Harvesting Tools: Direct replacement insert bearing for grain drills, row crop planters, baler drives, and harvester conveyor shafts requiring a 17mm bore.
Conveyors & Industrial Drives: Essential bearing insert for material handling conveyors, packaging lines, and industrial power transmission pillow blocks.
Food & General Machinery: Designed for severe-duty applications requiring reliable shaft clamping, low noise, and high contamination resistance.
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