Service kit bearing protection ring (Active/Active Plus/Performance – BDU3XX from serial number 860011XXX, BDU33YY)

Protect your drive unit’s bearing with precision and reliability.

You need a service set that ensures seamless maintenance and optimal performance for your drive unit’s bearing L3. This kit is designed to provide a durable seal, keeping contaminants out and extending the lifespan of your system. By using calcium soap-based, non-water-soluble grease with a high temperature tolerance, you maintain smooth operation under demanding conditions. The kit excludes adhesive grease, so you can confidently apply your preferred NLGI class 2 grease that withstands temperatures from -30 to +120 °C, ensuring consistent protection without compromise.

Key Features

Engineered for the Active, Active Plus, and Performance models starting from specific serial numbers, this service set covers the critical bearing L3 of your drive unit. It supports a smooth transition phase where tube inclusion may vary, reflecting adaptability in supply without affecting your maintenance routine. The focus on a high-quality grease base with a drop point of 180 °C and a density of 0.89 g/ml at 25 °C guarantees that your bearing remains shielded against wear and environmental factors. The included components align with Bosch eBike standards, ensuring compatibility and reliability during every service.

Technical Specifications

• Compatible with Active, Active Plus, Performance drive units
• Applicable from serial number 860011XXX and BDU33YY
• Designed for bearing L3 protection
• Requires calcium soap-based, non-water-soluble grease
• Grease NLGI class 2 recommended
• Operating temperature range: -30 to +120 °C
• Grease drop point: 180 °C, density: 0.89 g/ml at 25 °C

Frequently Asked Questions