
Heavy-duty 205KRRB2 agricultural hex bore ball bearing designed for extreme farming operations. Featuring a 7/8" (22.225mm) hex bore, 52mm outer diameter, 25.7mm inner ring width, and 15mm outer ring width, this self-aligning bearing offers maximum durability and superior sealing against dust, dirt, and crop residue. Direct replacement for John Deere JD9214 & AH101235, Case IH 80049435, Great Plains 822-011C, Massey Ferguson 834185M1, and Timken/Fafnir 205KRRB2. Ideal for square baler knotters, combine headers, grain drills, and seeders.
Product Overview
The 205KRRB2 hex bore insert ball bearing is specially engineered for high-stress agricultural machinery. Built with heavy-duty chrome steel and heavy-lip rubber seals (KRRB style), this self-aligning bearing absorbs structural flex and shaft deflection caused by heavy harvesting loads. Mounted in 2-bolt or 3-bolt stamped steel/cast iron flange housings, it delivers long-lasting operation in dust-heavy field environments.
π Technical Specifications & Dimensions
β’ Part Number: 205KRRB2
β’ Bore Type: Hexagonal
β’ Hex Bore Size: 7/8 in (22.225 mm)
β’ Outer Diameter (OD): 52 mm (2.047 in)
β’ Inner Ring Width: 25.7 mm (1.012 in)
β’ Outer Ring Width: 15 mm (0.591 in)
β’ Material: Premium High-Carbon Chrome Steel (AISI 52100)
β’ Sealing Type: Heavy-Duty Double Lip Contact Seals (KRRB)
π Cross-Reference & OEM Part Numbers
β’ Major Bearing Brands: Timken / Fafnir 205KRRB2, PEER / SKF 205KRRB2, BCA HPS014GP, Link-Belt 14KS205N
β’ John Deere: JD9214, AH101235
β’ Case IH / New Holland: 49435, 80049435
β’ Great Plains: 822-011C
β’ Massey Ferguson: 834185M1
β’ Vermeer: 213001
πΎ Common Applications in Farm Machinery
β’ John Deere Square Balers: Main knotter drive shaft assemblies, needle lift frames, and feeding mechanisms across Models 224, 336, 327, 328, 338, 346, 348, and more.
β’ Grain Drills & Seeders: Main seed box drive lines spanning wide frames to handle ground contour flexing.
β’ Combine Harvesters: Feederhouse drives, clean grain elevators, and header auger shafts.
π‘ Key Features & Benefits
β’ Self-Aligning Design: Compensates for frame flexing and shaft deflection during plunger strokes and rough terrain operations.
β’ Superior Sealing Protection: Double-lip rubber seals block mud, dust, chaff, and moisture for minimal downtime.
β’ Direct OEM Replacement: Precision manufactured to drop directly into OEM flange housings without modification.

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