Wossner MB830053-4 OEM Grade Main Bearing is a premium-quality replacement crankshaft main bearing manufactured to OEM specifications for exceptional reliability, smooth engine operation and long service life. Measuring 32 mm id, 75 mm od and 20 mm width

Wossner MB830053-4 OEM Grade Main Bearing 32 x 75 x 20 mm

The Wossner MB830053-4 OEM Grade Main Bearing is a premium-quality replacement crankshaft main bearing manufactured to OEM specifications for exceptional reliability, smooth engine operation and long service life. Measuring 32 mm internal diameter, 75 mm external diameter and 20 mm width, this bearing is engineered to withstand the high temperatures and operating loads encountered in modern high-performance motorcycle engines. Wossner OEM Grade bearings are sourced from leading manufacturers including NTN, FAG, KOYO and SKF, ensuring outstanding quality and dependable performance. It is installed on either the PTO or magneto side depending on the engine application. :contentReference[oaicite:0]{index=0}

Designed as a direct replacement for original equipment bearings, the MB830053-4 provides precise crankshaft support, reduced friction and excellent durability for both standard engine rebuilds and performance applications. Precision manufactured to tight tolerances, it delivers smooth crankshaft operation and long-lasting reliability in demanding riding conditions. :contentReference[oaicite:1]{index=1}

• OEM Grade replacement main bearing
• Dimensions: 32 mm ID × 75 mm OD × 20 mm Width
• Sourced from premium OEM bearing manufacturers
• Precision manufactured for maximum reliability and long service life
• Installed on PTO or magneto side depending on application
• Excellent performance under high-load and high-temperature conditions
• Ideal for standard rebuilds and high-performance engine applications

Important: Always confirm the required bearing dimensions, clearance specification and motorcycle application before ordering or installation.

Notice: Product images may differ from the actual product. Images are provided for illustration purposes only and may show a representative item rather than the exact part supplied.