P/N: MS27645-4, KSP4

Roller Bearing

MS27645‑4 (KSP4), Self‑Aligning Heavy‑Duty Bearing
Rugged, self-aligning, airframe ball bearing tailored for high-reliability control systems. Designed with precision per airframe standards, this bearing is sealed, pre-lubricated for life, and exudes long-lasting performance even in demanding environments.

Key Features and Benefits:

• Self-Aligning Design: Accommodates up to ±10° misalignment for smoother motion under load
• Sealed and Pre-Lubricated: Comes fitted with bonded PTFE seals and MIL-G-81322-grade grease for maintenance-free operation.
• Corrosion-Resistant Construction: Cadmium plating and heat-treated chrome steel ensure toughness and longevity.
• Aerospace-Grade Specs: Engineered for maximum reliability in airframe applications—ball, ring, and seal materials adhere to strict aerospace standards.

Technical Specifications:

• Bore (d): 0.2500″
• Outer Diameter (D): 0.9014″
• Inner Ring Width (W): 0.4840″
• Outer Ring Width (H): 0.3350″
• Load Rating: Radial ≈ 1,410 lbf; Thrust ≈ 300 lbf
• Self-Alignment: Internal; ±10° adjustment capability.
• Construction: Self-aligning, double-row ball bearing, cadmium-plated, heat-treated to Rockwell C60-66 with aerospace-grade tolerances.
• Lubrication: Pre-lubricated with MIL‑G‑81322 grease
• Condition: New, fully traceable to original manufacturing