Different bearing types have varying availability due to production volume, raw material availability, and market demand. Here’s an overview of current availability and lead times for common bearing types:
 

Deep Groove Ball Bearings: The most widely used bearing type, with high availability (90% of standard sizes in stock). Lead times for standard sizes are 1-5 days, while custom sizes may take 15-30 days.
 

Tapered Roller Bearings: Popular in automotive and industrial applications, with good availability for standard sizes (80% in stock). Lead times are 3-7 days for standard sizes, 20-40 days for custom sizes.
 

Angular Contact Ball Bearings: Used in high-precision applications (e.g., machine tools), availability varies by size and precision grade. Standard precision (P0/P6) bearings have 70% availability with 5-10 day lead times; high precision (P4/P2) bearings may have 40% availability with 25-45 day lead times.
 

Spherical Roller Bearings: Designed for heavy loads and misalignment, availability is moderate (60% of standard sizes in stock). Lead times are 7-14 days for standard sizes, 30-60 days for custom sizes.
 

Thrust Bearings: Available in ball and roller types, with 65% availability for standard sizes. Lead times are 5-10 days for standard sizes, 20-35 days for custom sizes.