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 Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 21 mm Bore Dia - Stainless Steel Shaft Collars
RULAND MANUFACTURINGStainless Steel Shaft Collars

RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 21 mm Bore Dia

The RULAND MANUFACTURING MCL-21-ST is a 1-piece stainless steel shaft collar with a 21 mm bore diameter and 15 mm collar width. This metric, round, clamp-on collar is designed for secure shaft mounting.

SKU 3G-OTH-137397

Brand
RULAND MANUFACTURING
Item
Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 21 mm Bore Dia
Category
Stainless Steel Shaft Collars
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

RULAND MANUFACTURING
Manufacturer Part Number
MCL-21-ST
Type
Metric, Round, Clamp-On
Bore Dia
21 mm
Collar Wd
15 mm
View Full Spec Sheet

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 MCL-21-ST is a 1-piece stainless steel shaft collar with a 21 mm bore diameter and 15 mm collar width. This metric, round, clamp-on collar is designed for secure shaft mounting.

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 the RULAND MANUFACTURING MCL-21-ST shaft collar used for?

The RULAND MANUFACTURING MCL-21-ST is a 1-piece stainless steel shaft collar used to secure components on a shaft, such as bearings, sprockets, or pulleys. It is commonly applied in industrial machinery, conveyors, and automation equipment where precise axial positioning and reliable clamping are required.

What are the specifications of the RULAND MANUFACTURING MCL-21-ST shaft collar?

The RULAND MANUFACTURING MCL-21-ST is a 1-piece, metric, round, clamp-on shaft collar with a 21 mm bore diameter and 15 mm collar width. It is made of stainless steel for corrosion resistance. The manufacturer part number is MCL-21-ST.

Where to buy the RULAND MANUFACTURING MCL-21-ST shaft collar worldwide?

You can source the RULAND MANUFACTURING MCL-21-ST shaft collar through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a RULAND MANUFACTURING MCL-21-ST clamp-on shaft collar?

To install the RULAND MANUFACTURING MCL-21-ST, slide the collar onto the shaft to the desired position. Tighten the clamp screw evenly using a hex key until the collar is securely fastened. Avoid overtightening to prevent shaft damage. Ensure the shaft surface is clean for optimal grip.

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 →

Similar products

Matched by specification & description
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 22 mm Bore Dia, 15 mm Collar Wd (MPN MCL-22-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 22 mm Bore Dia, 15 mm Collar Wd (MPN MCL-22-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 26 mm Bore Dia, 15 mm Collar Wd (MPN MCL-26-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 26 mm Bore Dia, 15 mm Collar Wd (MPN MCL-26-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 35 mm Bore Dia, 15 mm Collar Wd (MPN MCL-35-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 35 mm Bore Dia, 15 mm Collar Wd (MPN MCL-35-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 32 mm Bore Dia, 15 mm Collar Wd (MPN MCL-32-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 32 mm Bore Dia, 15 mm Collar Wd (MPN MCL-32-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 38 mm Bore Dia, 15 mm Collar Wd (MPN MCL-38-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 38 mm Bore Dia, 15 mm Collar Wd (MPN MCL-38-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 42 mm Bore Dia, 19 mm Collar Wd (MPN MCL-42-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 1-Piece, Metric, Round, Clamp-On, 42 mm Bore Dia, 19 mm Collar Wd (MPN MCL-42-ST). Key specifications — attr85402: RULAND MANUFACTURING; attr666006: Metric.

More from RULAND MANUFACTURING

View all RULAND MANUFACTURING parts →
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 2 7/16 in Bore Dia, 316 (MPN SP-39-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 2 7/16 in Bore Dia, 316 (MPN SP-39-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric with Inch Bore, Round, Clamp-On, 15 mm Collar Wd (MPN MSP-20E-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric with Inch Bore, Round, Clamp-On, 15 mm Collar Wd (MPN MSP-20E-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 2 5/16 in Bore Dia, 303 (MPN SP-37-SS). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 2 5/16 in Bore Dia, 303 (MPN SP-37-SS). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 1 7/16 in Bore Dia, 303 (MPN SP-23-SS). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 1 7/16 in Bore Dia, 303 (MPN SP-23-SS). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric, Round, Clamp-On, 16 mm Bore Dia, 13 mm Collar Wd (MPN MSP-16-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric, Round, Clamp-On, 16 mm Bore Dia, 13 mm Collar Wd (MPN MSP-16-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric, Round, Clamp-On, 75 mm Bore Dia, 19 mm Collar Wd (MPN MSP-75-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric, Round, Clamp-On, 75 mm Bore Dia, 19 mm Collar Wd (MPN MSP-75-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 2 5/8 in Bore Dia, 303 (MPN SP-42-SS). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Inch, Round, Clamp-On, 2 5/8 in Bore Dia, 303 (MPN SP-42-SS). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric, Round, Clamp-On, 20 mm Bore Dia, 15 mm Collar Wd (MPN MSP-20-ST). Key specifications — attr671628: RULAND MANUFACTURING.
RULAND MANUFACTURING
RULAND MANUFACTURING Shaft Collar: 2-Piece, Metric, Round, Clamp-On, 20 mm Bore Dia, 15 mm Collar Wd (MPN MSP-20-ST). Key specifications — attr671628: RULAND MANUFACTURING.