205DDS 3/4" Agricultural Bearing — 19.05mm x 53.09mm x 19.5mm (3/4" Bore) | Heavy-Duty Double-Sealed Planter Disc Unit | Fits Great Plains 188-007V, GP188-007V, B205DDS34 | Replaces Fafnir 205DDS 3/4, BCA Peer 205DDS-3/4

⚙️ Technical Specifications & OEM Interchange Matrix

Bearing Part Number: 205DDS 3/4" / 205DDS-3/4 (Heavy-Duty Double-Sealed Disc Unit)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 19.05 mm (0.750 in / 3/4 in)

Outer Diameter (OD - D): 53.09 mm (2.090 in)

Width (B): 19.5 mm (0.768 in)

OEM Equipment Replacements:

Great Plains OEM: 188-007V, GP188-007V, B205DDS34

Brand Interchange Cross-Reference:

Fafnir / Torrington: 205DDS 3/4

CFC: B205DDS34

BCA / Peer: 205DDS-3/4

⚡ Structural Advantages & Heavy-Duty Performance

Maintenance-Free Sealed Protection: Factory pre-lubricated with high-grade wide-temperature agricultural grease, eliminating daily field greasing while preventing lubricant washout during heavy soil tilling.

Heavy-Duty Multi-Lip Contact Sealing: Advanced rubber contact seals create a solid barrier against moisture, soil grit, mud, and abrasive fertilizer dust contamination.

Vacuum-Degassed GCr15 Chrome Steel: Manufactured from premium high-carbon chromium steel (AISI 52100) for maximum dynamic load capacity and fatigue resistance under continuous field shock.

Precision Bore Alignment: Manufactured to exact 3/4" (19.05mm) tolerances for optimal shaft seating, smooth rotation, and minimal fretting corrosion.

🚜 Agricultural Machinery Deployment & Usage Scenarios

Great Plains Seed Drills & Planters: Direct fit replacement component for Great Plains grain drills, seed opener disc blades, and planter row units.

Planters & Coulters: Essential replacement bearing for row crop planters, seed openers, gauge wheels, and disc coulter hub assemblies requiring a 3/4" bore bearing.

Tillage Equipment: Compatible with rotary cultivators, seedbed conditioners, and light disc harrow attachments.