Sherline Flanged Cartridge Spindle 3/4-16 #1 Taper, Cog Belt
Crafted from durable bar stock steel with black oxide finish
Features precision Class 5 bearings for smoother operation
Handles variable speeds with adjustable preload up to 10,000 RPM
Offers easy installation with 3 mounting holes arranged at 120°.
Includes a central spindle hole for versatile applications
The Sherline Flanged Cartridge Spindle 3/4-16 #1 Taper, Cog Belt is crafted from bar stock steel and features a black oxide finish, providing durability and resistance to wear. The spindle shaft includes a central hole measuring 0.405 inches (10mm), allowing for versatile applications. This model is equipped with a 30-tooth cog belt pulley, enhancing its adaptability for various industrial tasks.
Sherline Industrial spindles are renowned for their precision and reliability, featuring lifetime lubricated bearings with adjustable preload. These bearings are Class 5, ensuring superior accuracy, tighter tolerances, smoother operation, and cooler running temperatures. The headstock bearings are rated for continuous speeds up to approximately 4,000 RPM, with the possibility of adjusting the preload for speeds up to 10,000 RPM.
The spindle is designed for easy installation, with a 2.25-inch diameter body intended to be mounted through a 2.3-inch hole. It is secured using three mounting holes on a 3.1-inch diameter flange, arranged at 120-degree increments. The spindle face extends 1.0 inch beyond the flange's front surface, facilitating straightforward integration into various setups.
While the spindle is equipped with a dust cover, it is not entirely sealed, and exposure to dust from grinding operations can significantly reduce bearing life. Additionally, it is not designed for operation in a coolant bath, and the spindle shaft should be shielded from coolant spray to maintain optimal performance.
1x Sherline Flanged Cartridge Spindle 3/4-16 #1 Taper, Cog Belt
Bearings: Two 20 mm, class 5, lifetime lubricated ball bearings with adjustable preload
End play (factory preload adjustment): 0.0002″ (0.0051 mm)
Maximum spindle speed: 10,000 RPM
Recommended continuous spindle speed: 4,000 RPM or less
Mounting provision: Three mounting holes at 120° increments, 0.2″ diameter with a 0.325″ diameter countersink, sized for 10-32 x 5/8″ socket head cap screws (supplied)
If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
This return policy also applies, as a minimum standard, to products sold and fulfilled by third-party vendors through the Marketplace.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at the Vendor's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
A valid Return Authorization (RA) number must be obtained prior to returning the product. Returns without an RA number will be refused.
The RA number is valid for 30 days. The returned item must be received within that period.
The RA number must be included with the return.
Products must be returned in unused, unmodified condition (e.g., no scratches, alterations, missing parts, or signs of installation/use) and in their original packaging, suitable for resale.
Shipping fees are non-refundable. Return shipping costs are the responsibility of the customer, except in cases of a product confirmed defective through RobotShop's troubleshooting process or of a verified shipping error by RobotShop.
Refunds are processed within 7 days after receipt and inspection of the returned item.
A $100 cleaning fee may apply to domestic robots returned in used or unclean condition.
A 20% restocking fee may apply to large-quantity returns of items ordered specifically for the customer from the manufacturer or not part of RobotShop's standard inventory.
Return Exceptions
The following products are not eligible for return or refund under this policy:
Used, damaged, or modified products — Items that show signs of use, wear, or alteration, making them unsuitable for resale.
Consumables — Use and wear-and-tear components, altered or depleted through use (e.g., batteries, belts, brushes, gears, filament, tires, disposable bags, lubricants, greases, waxes, etc.). Not eligible for return once opened or used.
Perishables — Goods liable to deteriorate or expire rapidly. Not eligible for return.
Sealed goods (health or hygiene) — Items sealed for health-protection or hygiene reasons (e.g., masks, gloves, odor-absorbing products). Not eligible for return once unsealed.
Build-it-yourself products and items requiring customer assembly — Including robots & kits, robot parts, and other products requiring assembly or soldering. Not eligible for return once assembled, soldered, or installed.
Digital Goods, Software, and Apps — Final sale only, due to licensing restrictions.
Clearance Items — Products identified as clearance or final sale, including end-of-life or discontinued items.
Custom-made, personalized, or special-order items — Products manufactured, configured, adapted, or built to the customer's own specifications and requirements.
On-Demand Items — Standard catalogue products not stocked by RobotShop and ordered specifically to fulfill a customer request.
While the same return policy applies, these orders require a separate contact process for returns.
RobotShop Fulfilled Orders → submit a support ticket from your account under My Support Tickets.
Marketplace Vendor Orders → submit a ticket from your account under My Marketplace Tickets to contact the vendor directly.
Note: Marketplace vendor products are normally labelled with SKUs starting with RM, and identified on the product page with the mention "Sold and fulfilled by [Vendor Name]".
