HomeProductsStainless Steel Insert BearingsSSA209 45MM Metric Agricultural Insert Ball Bearing with Eccentric Locking Collar ── 45mm x 85mm x 43.7mm | Heavy-Duty Sealed Narrow Inner Ring Shaft Unit | Replaces Fafnir RAE45RRB GRAE45RRB, SKF YET209 RA209, NTN AEL209, AMI KH209
SSA209 45MM Metric Agricultural Insert Ball Bearing with Eccentric Locking Collar ── 45mm x 85mm x 43.7mm | Heavy-Duty Sealed Narrow Inner Ring Shaft Unit | Replaces Fafnir RAE45RRB GRAE45RRB, SKF YET209 RA209, NTN AEL209, AMI KH209
SSA209 45MM
Stainless Steel Insert Bearings

SSA209 45MM Metric Agricultural Insert Ball Bearing with Eccentric Locking Collar ── 45mm x 85mm x 43.7mm | Heavy-Duty Sealed Narrow Inner Ring Shaft Unit | Replaces Fafnir RAE45RRB GRAE45RRB, SKF YET209 RA209, NTN AEL209, AMI KH209

Precision-engineered for heavy-duty agricultural machinery, combine harvesters, grain elevators, industrial conveyors, and power transmission shafts, the SSA209 45MM heavy-duty metric insert ball bearing with eccentric locking collar features exact physical dimensions of 45mm Shaft Bore (1.772") x 85mm Spherical Outer Diameter (3.346") x 43.7mm Overall Width/Thickness with Collar (1.720"). Built with a narrow inner ring, precision spherical OD for automatic self-alignment, positive eccentric shaft locking system, and heavy-duty contact rubber seals, pre-packed with wide-temperature synthetic grease to completely lockout mud, moisture, crop dust, and soil grit under severe field torque. Direct cross-reference replacement for Fafnir / Torrington RAE45RRB / GRAE45RRB, SKF YET209 / RA209, NTN AEL209, and AMI KH209.

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◈ Technical Specifications & Brand Interchange Matrix

  • Bearing Part Number: SSA209 45MM / RAE45RRB (Heavy-Duty Metric Insert Bearing with Collar)

  • Precise Physical Dimensions:

    • Inner Diameter (Shaft Bore - d): 45 mm (1.772 in)

    • Spherical Outer Diameter (OD - D): 85 mm (3.346 in)

    • Overall Width / Thickness with Collar (B): 43.7 mm (1.720 in)

  • Major Brand Cross-References:

    • Fafnir / Torrington: RAE45RRB, GRAE45RRB

    • SKF: YET209, RA209

    • NTN: AEL209

    • AMI: KH209

⚡ Structural Advantages & Heavy-Duty Performance

  • Positive Eccentric Collar Locking Mechanism: Features a self-tightening eccentric collar that locks firmly to the 45mm drive shaft in the direction of rotation, preventing shaft slippage and fretting corrosion under heavy shock loading.

  • Spherical Outer Ring Self-Alignment: Precision-ground spherical outer ring compensates for initial housing misalignments and dynamic shaft deflection during intense field operations.

  • Heavy-Duty Contact Rubber Sealing: High-efficiency contact seals form an airtight defensive barrier against moisture, mud, agricultural slurry, and abrasive crop dust.

  • Maintenance-Free Synthetic Pre-Lubrication: Factory pre-filled with wide-temperature agricultural synthetic grease, completely eliminating daily field servicing and lubricant washout.

🚜 Agricultural & Industrial Machinery Deployment

  • Combine Harvesters & Balers: Direct fit insert bearing for 45mm shaft drive lines, augers, reel drives, and crop processing rollers in major combine and baler fleets.

  • Conveyors & Grain Elevators: Essential heavy-duty bearing unit for bucket elevators, grain augers, crop conveyors, and material handling systems requiring a 45mm bore unit.

  • Industrial Fan & Drive Assemblies: Ideal for industrial fans, blowers, agricultural gearboxes, and line shaft applications operating under continuous field torque.

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