We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
RULAND MANUFACTURING SP-21-SS Stainless Steel Shaft Collar - Stainless Steel Shaft Collars
RULAND MANUFACTURINGStainless Steel Shaft Collars

RULAND MANUFACTURING SP-21-SS Stainless Steel Shaft Collar

The RULAND MANUFACTURING Shaft Collar is a 2-piece, inch, round, clamp-on stainless steel shaft collar with a 1 5/16 in bore diameter, made from 303 stainless steel (MPN SP-21-SS).

SKU 3G-OTH-132624

Also listed as: SP21SS · SP 21 SS

Brand
RULAND MANUFACTURING
Item
SP-21-SS Stainless Steel Shaft Collar
Category
Stainless Steel Shaft Collars
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
SP-21-SS
Type
Inch, Round, Clamp-On, 303
Bore Dia
1 5/16 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

RULAND MANUFACTURING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RULAND MANUFACTURING Shaft Collar is a 2-piece, inch, round, clamp-on stainless steel shaft collar with a 1 5/16 in bore diameter, made from 303 stainless steel (MPN SP-21-SS).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a RULAND MANUFACTURING SP-21-SS shaft collar used for?

The RULAND MANUFACTURING SP-21-SS is a 2-piece, clamp-on shaft collar used to position and secure components on shafts in industrial machinery, conveyors, and automation systems. Its 303 stainless steel construction resists corrosion in washdown or chemical environments.

What are the specifications of the RULAND MANUFACTURING SP-21-SS?

The SP-21-SS is a 2-piece, round, clamp-on shaft collar with a 1 5/16 in bore diameter, made from 303 stainless steel. It is an inch-series design from RULAND MANUFACTURING, part number SP-21-SS, suitable for precise axial positioning on shafts.

Where to buy a RULAND MANUFACTURING SP-21-SS shaft collar worldwide?

3G Electric supplies the RULAND MANUFACTURING SP-21-SS shaft collar to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 303 stainless steel, 2-piece clamp-on collar.

How to install a RULAND MANUFACTURING 2-piece clamp-on shaft collar?

To install the RULAND MANUFACTURING SP-21-SS, place the two halves around the shaft at the desired position, align the clamping screws, and tighten evenly with a hex key. Avoid over-tightening to prevent shaft damage. Always verify axial position before final torque.

Used in

Common applications for RULAND MANUFACTURING
Automated packaging machinery — Ruland beam couplings (e.g., PSR20-8-5-A) for connecting servo motors to conveyor drive shafts.
CNC machine tools — Ruland rigid couplings (e.g., CLX-4-4-A) for precise alignment of ball screw assemblies.
Robotic arm joints — Ruland Oldham coupling hubs (e.g., OSC16-6-A) for accommodating axial motion in end-effector drives.
Pump and compressor systems — Ruland stainless steel shaft collars (e.g., CL-3-ST) for securing impeller shafts.
Printing press rollers — Ruland clamp-on beam couplings (e.g., PCR18-8-8-A) for synchronizing roller rotation with minimal backlash.
Material handling conveyors — Ruland set screw couplings (e.g., PSMR29-7-7-A) for linking gearboxes to drive rollers.

RULAND MANUFACTURING Products

3G Electric supplies RULAND MANUFACTURING stainless steel shaft collars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
This two-piece rigid shaft coupling connects shafts with 3/4 in and 1/2 in bores, featuring round keyed bores for positive torque transmission. It provides a zero-backlash, torsionally stiff connection for aligning shafts in power transmission applications such as packaging, printing, and automation equipment
RULAND MANUFACTURING
This two-piece rigid shaft coupling connects shafts with 3/4 in and 1/2 in bores, featuring round keyed bores for positive torque transmission. It provides a zero-backlash, torsionally stiff connection for aligning shafts in power transmission applications such as packaging, printing, and automation equipment
This two-piece rigid shaft coupling from RULAND MANUFACTURING connects shafts with 7/8 in and 5/8 in bores, featuring a round keyed design for positive torque transmission. It provides zero-backlash, high torsional stiffness for precise shaft alignment in motion-control applications such as packaging, printing, and robotics
RULAND MANUFACTURING
This two-piece rigid shaft coupling from RULAND MANUFACTURING connects shafts with 7/8 in and 5/8 in bores, featuring a round keyed design for positive torque transmission. It provides zero-backlash, high torsional stiffness for precise shaft alignment in motion-control applications such as packaging, printing, and robotics
Two-piece rigid shaft coupling with 1 3/8 inch bore diameter on both ends and round clamp-on design. Provides precise alignment and torque transmission for connecting shafts in industrial machinery, conveyors, and automation systems. Manufactured in inch dimensions
RULAND MANUFACTURING
Two-piece rigid shaft coupling with 1 3/8 inch bore diameter on both ends and round clamp-on design. Provides precise alignment and torque transmission for connecting shafts in industrial machinery, conveyors, and automation systems. Manufactured in inch dimensions
This two-piece rigid shaft coupling connects shafts with bore diameters of 7/8 in and 5/8 in, both round keyed. It provides a zero-backlash, torsionally rigid connection for precise alignment in power transmission applications such as packaging, printing, and conveyor systems
RULAND MANUFACTURING
This two-piece rigid shaft coupling connects shafts with bore diameters of 7/8 in and 5/8 in, both round keyed. It provides a zero-backlash, torsionally rigid connection for precise alignment in power transmission applications such as packaging, printing, and conveyor systems
This two-piece rigid shaft coupling from RULAND MANUFACTURING has a 1 3/8 in bore on one side and a 1 in bore on the other, both round keyed. It provides a zero-backlash, direct connection for shaft-to-shaft applications in power transmission systems
RULAND MANUFACTURING
This two-piece rigid shaft coupling from RULAND MANUFACTURING has a 1 3/8 in bore on one side and a 1 in bore on the other, both round keyed. It provides a zero-backlash, direct connection for shaft-to-shaft applications in power transmission systems
This two-piece rigid shaft coupling connects shafts with a 1 3/8 in bore on one side and a 1 in bore on the other, both round keyed. It provides a fixed, zero-backlash connection for applications requiring precise shaft alignment, such as conveyors and packaging machinery
RULAND MANUFACTURING
This two-piece rigid shaft coupling connects shafts with a 1 3/8 in bore on one side and a 1 in bore on the other, both round keyed. It provides a fixed, zero-backlash connection for applications requiring precise shaft alignment, such as conveyors and packaging machinery

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts →
One-piece clamp-on shaft collar with 1 1/16 in bore diameter, made from 316 stainless steel for corrosion resistance. Round design provides secure, non-marring grip on shafts. Used to position and secure components, preventing axial movement in inch systems
RULAND MANUFACTURING
One-piece clamp-on shaft collar with 1 1/16 in bore diameter, made from 316 stainless steel for corrosion resistance. Round design provides secure, non-marring grip on shafts. Used to position and secure components, preventing axial movement in inch systems
Metric, round, clamp-on shaft collar with 23 mm bore diameter and 15 mm collar width. One-piece stainless steel construction for secure axial positioning on shafts in power transmission and motion control applications
RULAND MANUFACTURING
Metric, round, clamp-on shaft collar with 23 mm bore diameter and 15 mm collar width. One-piece stainless steel construction for secure axial positioning on shafts in power transmission and motion control applications
One-piece clamp-on shaft collar with 9/16 inch bore diameter. Made of stainless steel for corrosion resistance. Used to position and secure components on shafts in power transmission and industrial machinery
RULAND MANUFACTURING
One-piece clamp-on shaft collar with 9/16 inch bore diameter. Made of stainless steel for corrosion resistance. Used to position and secure components on shafts in power transmission and industrial machinery
Metric, round, clamp-on shaft collar made of stainless steel. Bore diameter 15 mm, collar width 13 mm. Used for positioning and securing components on shafts in industrial machinery and automation systems
RULAND MANUFACTURING
Metric, round, clamp-on shaft collar made of stainless steel. Bore diameter 15 mm, collar width 13 mm. Used for positioning and securing components on shafts in industrial machinery and automation systems
One-piece stainless steel shaft collar with metric bore, round profile, and clamp-on design. Bore diameter 65 mm, collar width 19 mm. Used for axial positioning and securing components on shafts in industrial machinery and automation systems
RULAND MANUFACTURING
One-piece stainless steel shaft collar with metric bore, round profile, and clamp-on design. Bore diameter 65 mm, collar width 19 mm. Used for axial positioning and securing components on shafts in industrial machinery and automation systems
This stainless steel shaft collar is a one-piece, round, clamp-on design with a 7 mm bore diameter and 9 mm collar width. It provides secure axial positioning on shafts in power transmission and motion control applications
RULAND MANUFACTURING
This stainless steel shaft collar is a one-piece, round, clamp-on design with a 7 mm bore diameter and 9 mm collar width. It provides secure axial positioning on shafts in power transmission and motion control applications
This 2-piece, round, clamp-on shaft collar has a 1 3/4 in bore diameter and is made from 316 stainless steel. It is used to position, secure, or limit components on a shaft in applications requiring corrosion resistance, such as food processing, marine, and chemical environments
RULAND MANUFACTURING
This 2-piece, round, clamp-on shaft collar has a 1 3/4 in bore diameter and is made from 316 stainless steel. It is used to position, secure, or limit components on a shaft in applications requiring corrosion resistance, such as food processing, marine, and chemical environments
This stainless steel shaft collar features a 2-piece, clamp-on design with a metric bore and inch dimensions. The 19 mm collar width allows secure positioning of components on shafts without disassembly. Suitable for industrial machinery, conveyors, and automation systems where corrosion resistance is required
RULAND MANUFACTURING
This stainless steel shaft collar features a 2-piece, clamp-on design with a metric bore and inch dimensions. The 19 mm collar width allows secure positioning of components on shafts without disassembly. Suitable for industrial machinery, conveyors, and automation systems where corrosion resistance is required