
Engineered for demanding agricultural equipment, heavy-duty tillage implements, and robust industrial power transmission drives, the W211PPB4 heavy-duty insert ball bearing combines precision 55.575mm x 100mm x 33.325mm dimensions with high-load structural durability. Designed for reliable shaft mounting under rigorous operating conditions, it serves as an exact direct OEM replacement for Timken / Fafnir / Torrington W211PPB4, BCA / Federal Mogul DS211TT4, and Case IH OEM ST627A.
βοΈ Specification & Global Interchange Hub
Part Number Designation: W211PPB4 (Heavy-Duty Industrial Series)
Comprehensive Brand & OEM Interchange Directory:
Timken / Fafnir / Torrington Equivalent: W211PPB4
BCA / Federal Mogul Equivalent: DS211TT4
Case IH OEM Part Number: ST627A
PEER Bearing Equivalent: W211PPB4
Precision Bore Dimension (d): 55.575 mm (2.188 Inches)
Outer Ring Diameter (D): 100 mm
Total Assembly Width (B): 33.325 mm (Optimized profile for robust load capacity and secure housing fit)
Material Architecture: High-Grade Vacuum-Degassed Chrome Steel (Engineered for superior fatigue life, impact resistance, and wear protection)
β Engineering Architecture & Performance Merits
Robust Structural Design: Built to withstand heavy radial loads, shock loads, and high-torque demands encountered in agricultural field operations.
Advanced Sealing System: Equipped with heavy-duty contact seals and metal flingers to effectively lock in high-performance grease while blocking out abrasive dust, mud, and moisture.
Pre-Lubricated & Maintenance-Ready: Factory-filled with premium anti-friction grease, ensuring immediate, reliable deployment across wide operating temperatures.
Self-Aligning Outer Contour: Accommodates initial static misalignments between the shaft and housing supports to reduce premature wear.
π Target Industrial Sectors & Deployment Fields
Heavy Agricultural Machinery: Combine harvesters, disc harrows, heavy grain augers, planter drives, and tillage equipment.
Industrial Bulk Conveying: Heavy-duty belt conveyors, sorting systems, and industrial roller beds.
Power Transmission Drives: Commercial machinery pulleys, large ventilation fans, and industrial drive assemblies.

Contact us for the best price. Custom specs and bulk orders welcome.