SSA208-24 Insert Ball Bearing with Eccentric Locking Collar ── 1-1/2" x 80mm x 43.7mm (1.5" Bore) | Heavy-Duty Agricultural & Industrial Shaft Unit | Replaces Fafnir RA108RRB GRA108RRB, SKF YET208-108CW RA208-108, NTN AELS208-108N, AMI KH208-24, Link-Belt W224UL
Precision-engineered for heavy-duty agricultural implements, conveyor systems, grain handling machinery, and industrial power transmission drives, the SSA208-24 insert ball bearing with eccentric locking collar features exact physical dimensions of 1-1/12" Bore (38.1mm / 1.5") x 80mm Spherical Outer Diameter (3.150") x 43.7mm Overall Inner Ring Width/Thickness (1.720"). Built with a self-aligning spherical outer ring, an easy-locking eccentric collar mechanism, heavy-duty contact seals, and a re-greasable lube groove to handle continuous rotational torque while locking out dirt, mud, and moisture. Direct cross-reference replacement for Fafnir/Torrington RA108RRB / GRA108RRB, SKF YET208-108CW / RA208-108, NTN AELS208-108N / AEL208-108, AMI KH208-24, and Link-Belt W224UL / WG224EL.
⚙️ Technical Specifications & Brand Interchange Matrix
Bearing Part Number: SSA208-24 / RA108RRB (Insert Bearing with Eccentric Locking Collar)
Precise Physical Dimensions:
Inner Diameter (Bore - d): 1-1/2 in (38.1 mm / 1.5 in)
Spherical Outer Diameter (OD - D): 80 mm (3.150 in)
Overall Width / Inner Ring Thickness (B/C): 43.7 mm (1.720 in)
Major Brand Cross-References:
Fafnir / Torrington: RA108RRB, GRA108RRB
SKF: YET208-108CW, RA208-108
NTN: AELS208-108N, AEL208-108
AMI: KH208-24
Link-Belt / Rexnord: W224UL, WG224EL
⚡ Structural Advantages & Heavy-Duty Performance
Eccentric Locking Collar Mechanism: Positive shaft locking design prevents shaft slippage and marring under single-direction or moderate reversing rotational torque.
Spherical Outer Ring Self-Alignment: Convex outer ring accommodates initial mounting misalignments between the housing and shaft without reducing bearing life.
Heavy-Duty Dirt & Dust Barrier: High-efficiency contact rubber seals with steel slingers block out mud, slurry, crop debris, and moisture.
Re-Greasable Lube Feature: Equipped with a lubrication groove and oil hole on the outer ring for extended service life during severe field operations.
Vacuum-Degassed GCr15 Chrome Steel: Premium high-carbon chromium steel construction provides maximum dynamic load capacity and fatigue resistance.
🚜 Agricultural & Industrial Machinery Deployment
Agricultural Implements & Harvesting: Direct fit insert bearing for combines, balers, disk harrows, grain augers, and spreaders requiring a 1-1/2" shaft fit.
Material Handling & Conveyors: Essential heavy-duty insert bearing for belt conveyors, roller tables, and agricultural crop processing machinery.
Industrial Shaft Drives: Designed for demanding industrial drives, fans, and blowers operating under dust and moisture exposure.
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