W211PPB6 Square Bore Ag Insert Bearing, Tri-Ply Triple-Lip Mud Seals

W211PPB6 heavy agricultural insert bearing with 1-1/2" square bore, spherical outer ring ±2.5° self-aligning. Double-sided integrated tri-ply triple-lip metal shroud seals block mud, sand and water. Sealed-for-life pre-filled ag grease, C3 clearance for high-vibration field use. Interchangeable with DS211TT6, fits disc harrow hubs. Quote within 24h.

• Tri-ply 3-stage mud-proof seal, better dust/mud resistance than 2S/2F dual seals
• Square bore direct press-fit on 1.5" square shafts, no locking parts needed
• Thickened rings & large balls, strong shock & heavy load resistance
• Maintenance-free sealed-for-life design, no regular greasing
• GCr15 fully heat-treated steel, long service life under harsh field conditions
• Standard metric & inch dimensions, direct replacement for OEM bearings

Heavy disc harrows, deep tillage cultivators, subsoilers, fertilizer spreaders, straw choppers

25+ years ag bearing manufacturer. All units pass mud aging & vibration durability tests. Support OEM coating, custom grease. Fast quotation & technical support within 24h, stable mass supply for global buyers.

• Raw material hardness test
• Raceway precision grinding
• Seal mud cycle aging test
• Full dimension inspection
• 100% visual check before packing

Send RFQ to get formal quote, installation drawings, customized service & factory wholesale price. Bulk OEM cooperation available.

1. Q1: Tri-ply seal vs 2F/2S?
   Triple-lip metal shroud multi-layer blocking, superior anti-mud performance for muddy farmland.

2. Q2: Interchangeable with DS211TT6?
   Yes, fully same dimensions, direct swap without hub modification.

3. Q3: Need regular greasing?
   No, sealed-for-life design, zero lubrication maintenance.