Drilling & Via Formation
Desmear Line
Built-to-spec drilling & via formation system for fabricators who need repeatable yield and predictable cycle times.
View detailsThe H920B Rear Bearing for ABL Spindle is a replacement part for PCB drilling and routing machines. It belongs to our Bearings range and is supplied new, tested and ready to install, so you can restore the machine to its original accuracy without waiting for an OEM back-order.
What the H920B Rear Bearing for ABL Spindle Does
Air-bearing components (front, rear and thrust bearings) float the high-speed spindle shaft on a thin air film. Their clearance defines stiffness, run-out and maximum RPM of the spindle.
Product Details
PCB spindle ABL H920B spare parts could be provided such as the spindle shaft, stator, bearings, collet etc.
Ordering & Delivery
- Trade Term: FOB Shenzhen USD by T/T in advance.
- Discount is allowed against your quantity.
- OED/OEM is accepted.
- Delivery will be carried out by Express or your requirement.
- Lead Time: 2~7 days after payment.
Frequently Asked Questions
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: If machines, it will be about 10~15 working days. If spares, it will be about 2~3 working days after payment.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
When to Replace It
- Spindle runs hot or stalls at high RPM
- Increased run-out or noise
- Shaft contact marks after a crash
- Air consumption higher than normal
How to Confirm Compatibility
Before ordering, please check or send us:
- Spindle series and rated RPM
- Bearing position (front / rear / thrust)
- Shaft diameter and clearance class
- Clean, dry compressed-air supply after installation
Looking for complete machines? See our Drilling & Via Formation and Profiling & Routing.
Technical Questions
How fast can the H920B Rear Bearing for ABL Spindle be delivered?
Spare parts in stock usually ship within 2–7 days after payment from Shenzhen, China, by international express (DHL, FedEx, UPS or your own forwarder).
Which machines is the H920B Rear Bearing for ABL Spindle compatible with?
It is designed for PCB drilling and routing machines. Send us the machine model and the original part number (this item: Rear Bearing H920B) and we will confirm the fit before shipment.
What information do you need to quote the H920B Rear Bearing for ABL Spindle?
Please provide: spindle series and rated rpm, bearing position (front / rear / thrust), shaft diameter and clearance class, clean, dry compressed-air supply after installation. Photos of the installed part also help.
Do you supply other spare parts for the same machine?
Yes. We supply collets, spindles and shafts, air bearings, pressure feet and brushes, cylinders, sensors, tool magazines, drill and router bits, and backup and entry boards for PCB drilling and routing machines.
Sources & References
- IPC-A-600: Acceptability of Printed Boards
- IPC-6012: Qualification and Performance Specification for Rigid Printed Boards
- Photo Chemical Machining Institute — process capability guidelines
- NIST Engineering Statistics Handbook — process tolerance and capability
Standards are referenced for context. Always confirm parameters against the current published edition and your own process validation.
