What Is a Tripod CV Joint
Quick Answer A tripod CV joint—also called a tripot joint or plunging CV joint—is a constant-velocity coupling that uses three needle-bearing rollers mounted on a three-arm spider (trunnion) running inside...
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What Is a Rzeppa CV Joint?
Quick Answer A Rzeppa CV joint—also referred to as a ball-type constant-velocity joint—is a mechanical coupling patented in 1927 by Alfred Hans Rzeppa, an engineer at Ford Motor Company. The...
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Rzeppa vs. Tripod CV Joint: Key Differences and How to Choose
Quick Answer The key differences are articulation angle and axial plunge capacity. Rzeppa joints offer up to 48–50° of articulation, making them the standard for outboard/wheel-side applications where steering is...
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Needle Roller Bearing Guide: How to Select Types, Install, and Diagnose Failures
Quick Answer Needle roller bearings use long, thin rollers with a length-to-diameter ratio of 4:1 or higher. They offer 2 to 8 times the load capacity of ball bearings of...
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Why Are My Universal Joints Always Worn or Damaged?
Quick Answer Universal joints typically last around 100,000 miles (160,000 km) under normal conditions. Premature wear and breakage usually come down to six main causes: lack of lubrication, excessive operating...
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