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Browse Applications by Position on the Machine
Selection Guide by Field Duty
Disc Harrow Gangs
W211PPB2 · DS211TT2 round or square bore
Works directly in the soil under heavy shock and abrasive grit — the spherical outside diameter self-aligns, while triple-lip seals keep maintenance out.
Planter Row Units
205KRRB2 · 206KRRB2 sealed units
Gauge wheels and row units run long hours in dry dust; double-lip sealing and a factory grease fill remove daily lubrication.
Combine Augers
W208PPB · W210PPB auger series
Heavy chaff and moisture exposure — the triple-lip seal blocks debris ingress through the whole harvest season.
Baler Pick-Up Reels
Square / hex bore · extended inner ring
High-frequency shock loads: square and hex bores transmit torque without slipping, while the extended inner ring stiffens the shaft fit.
Five Factors to Confirm Before Selecting
Shaft Bore Type
Round, square or hex bore decides whether the bearing fits at all — confirm this first.
Dimensions & Width
Bore, OD, width and outer-ring width L must match the original; square-bore parts also need the across-corners size checked.
Load & Speed
Heavy slow-duty positions such as disc harrows suit large-clearance series; high-speed mower spindles need a low-noise grade.
Dust & Moisture
Determines the sealing form: triple-lip contact seals are standard in the field, with protective covers available if needed.
Lubrication Method
Factory grease fill and maintenance-free is the norm; relubricatable versions are available for special duty.