B15-86D Sealed Automotive Alternator Deep Groove Ball Bearing 15x47x14mm For Car Generator Assembly

The B15-86D non-standard deep groove ball bearing is specially engineered for automobile alternators, featuring high temperature resistance, low noise and reliable double rubber sealing.

It is widely matched to car generators requiring stable high-speed rotation and long service life under heat load.

• Dual 2RS rubber seals block dust and prevent high-temp grease leakage
• EMQ motor precision grade delivers ultra-low vibration quiet running
• Heat-resistant special grease adapts generator continuous high-temperature working
• Strong radial load capacity fits long-time high-speed alternator rotation
• Custom clearance, precision grade and seal style are supported

This bearing is widely used in:

• Passenger car alternator/generator assemblies
• Light truck vehicle power generation systems
• Small engineering vehicle generator parts
• General high-speed heat-resistant micro motor equipment

• 25+ years experience in industrial & automotive bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in auto alternator OEM & custom bearing projects
• Strict dimensional & noise inspection before shipment
• Fast response within 24 hours
• Stable bulk supply for long-term vehicle parts cooperation

• Raw chrome steel material inspection
• Precision superfinishing raceway machining
• High temperature heat treatment control
• Rotation noise & high-speed durability testing
• Final dimension tolerance inspection before delivery

Looking for a reliable auto alternator bearing supplier?

• Fast quotation within 24 hours
• Professional automotive bearing technical support
• Custom precision & clearance solution suggestions
• Competitive factory direct wholesale price

Q1: Can you provide custom automotive bearings?

Yes, we support OEM and custom non-standard alternator bearings based on drawings or size requirements.

Q2: What is your delivery time?

Standard auto bearing models: 7–15 days

Custom special specification products: depending on technical requirements

Q3: Do you support large bulk vehicle parts orders?

Yes, we provide stable mass supply for auto parts long-term cooperation.