Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ELESA RB52 Hole Reducing Sleeve, 12 mm Bore, Fits 20 mm Bore, Black Oxide Steel - Hole Reducing Sleeves for Position Indicators
ELESAHole Reducing Sleeves for Position Indicators

ELESA RB52 Hole Reducing Sleeve, 12 mm Bore, Fits 20 mm Bore, Black Oxide Steel

The ELESA Hole Reduction Sleeve is a black oxide coated steel hole reducing sleeve for position indicators, part of the RB52 series. It features a 12 mm bore diameter and fits a 20 mm bore, with a weight of 32 g (MPN…

SKU 3G-OTH-28944

Also listed as: CE87940 · CE 87940 · CE-87940

Brand
ELESA
Item
RB52 Hole Reducing Sleeve, 12 mm Bore, Fits 20 mm Bore, Black Oxide Steel
Category
Hole Reducing Sleeves for Position Indicators
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ELESA
Manufacturer Part Number
CE.87940
Series
RB52
Type
Fits 20 mm Bore
Wt
32 g
Bore Dia
12 mm

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

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

Product Description

The ELESA Hole Reduction Sleeve is a black oxide coated steel hole reducing sleeve for position indicators, part of the RB52 series. It features a 12 mm bore diameter and fits a 20 mm bore, with a weight of 32 g (MPN CE.87940).

Frequently Asked Questions

What is the ELESA Hole Reduction Sleeve used for?

The ELESA Hole Reduction Sleeve is used to adapt position indicators with a 12 mm bore to a 20 mm mounting hole. It is commonly applied in industrial machinery and equipment where precise alignment and secure fitting of control components are required.

What are the specifications of the ELESA Hole Reduction Sleeve?

The ELESA Hole Reduction Sleeve, model CE.87940 from the RB52 series, has a 12 mm bore diameter and fits a 20 mm bore. It is made of black oxide coated steel and weighs 32 g. These specs ensure compatibility with standard position indicators.

Where to buy the ELESA Hole Reduction Sleeve worldwide?

You can source the ELESA Hole Reduction Sleeve CE.87940 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to install the ELESA Hole Reduction Sleeve?

To install the ELESA Hole Reduction Sleeve, insert it into the 20 mm bore of the position indicator housing, then press the 12 mm shaft component through the sleeve. Ensure the sleeve is seated flush to avoid misalignment. Follow standard industrial fitting practices for secure assembly.

Used in

Common applications for ELESA
Packaging machinery — ELESA CFSW Series hinged safety-interlock switches for guard door monitoring on carton sealers and wrappers.
Food processing equipment — ELESA handle-based safety interlock switch (260801-C1) with IP69K rating for washdown zones in meat or dairy lines.
Material handling systems — ELESA CFSW Series switches with 2 m cable for access gates on conveyor systems.
Industrial automation — ELESA CFSW Series with 2NO/2NC contacts for dual-channel safety circuits in robotic cells.
Pharmaceutical manufacturing — ELESA handle-based switches with UL94 V0 materials for cleanroom-compatible machine guarding.
Heavy machinery — ELESA CFSW Series with 5 m cable for large access doors on industrial ovens or presses.

ELESA Products

3G Electric supplies ELESA hole reducing sleeves for position indicators. 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
Steel withdrawal sleeve assembly with 5 1/2 in bore diameter. Used to mount bearings onto shafts, enabling secure positioning and removal in industrial machinery and power transmission systems. Compatible with AN32 lock nut
STANDARD LOCKNUT
Steel withdrawal sleeve assembly with 5 1/2 in bore diameter. Used to mount bearings onto shafts, enabling secure positioning and removal in industrial machinery and power transmission systems. Compatible with AN32 lock nut
Steel withdrawal sleeve assembly with a 5 7/16-inch bore diameter, designed for mounting bearings onto shafts. Compatible with AN32 lock nut. Used in industrial machinery such as conveyors, pumps, and gearboxes to facilitate secure bearing fit and easy removal
STANDARD LOCKNUT
Steel withdrawal sleeve assembly with a 5 7/16-inch bore diameter, designed for mounting bearings onto shafts. Compatible with AN32 lock nut. Used in industrial machinery such as conveyors, pumps, and gearboxes to facilitate secure bearing fit and easy removal
This inch-series withdrawal sleeve assembly is used to mount bearings onto shafts in industrial machinery such as conveyors, pumps, and gearboxes. Made of steel with a 5-7/8 inch bore diameter, it is compatible with the AN34 lock nut
STANDARD LOCKNUT
This inch-series withdrawal sleeve assembly is used to mount bearings onto shafts in industrial machinery such as conveyors, pumps, and gearboxes. Made of steel with a 5-7/8 inch bore diameter, it is compatible with the AN34 lock nut
Steel withdrawal sleeve assembly with 3 1/2 in bore diameter. Inch-series unit compatible with AN20 lock nut. Used to mount bearings onto shafts in industrial machinery such as conveyors, pumps, and gearboxes
STANDARD LOCKNUT
Steel withdrawal sleeve assembly with 3 1/2 in bore diameter. Inch-series unit compatible with AN20 lock nut. Used to mount bearings onto shafts in industrial machinery such as conveyors, pumps, and gearboxes
Steel withdrawal sleeve assembly for mounting bearings onto shafts. Bore diameter 5 15/16 in. Compatible with AN34 lock nut. Used in industrial machinery such as conveyors, pumps, and gearboxes
STANDARD LOCKNUT
Steel withdrawal sleeve assembly for mounting bearings onto shafts. Bore diameter 5 15/16 in. Compatible with AN34 lock nut. Used in industrial machinery such as conveyors, pumps, and gearboxes
Withdrawal sleeve assembly for mounting bearings onto shafts. Steel construction with 7 3/16 in bore diameter. Compatible with AN40 lock nut. Used in industrial machinery and power transmission systems for secure bearing positioning and simplified removal
STANDARD LOCKNUT
Withdrawal sleeve assembly for mounting bearings onto shafts. Steel construction with 7 3/16 in bore diameter. Compatible with AN40 lock nut. Used in industrial machinery and power transmission systems for secure bearing positioning and simplified removal

More from ELESA

View all ELESA parts
Hole reducing sleeve for position indicators, made of 304 stainless steel. Bore diameter 10 mm, fits 14 mm bore. Compatible with DD51 series. Used to adapt bore sizes for mounting position indicators in industrial control applications
ELESA
Hole reducing sleeve for position indicators, made of 304 stainless steel. Bore diameter 10 mm, fits 14 mm bore. Compatible with DD51 series. Used to adapt bore sizes for mounting position indicators in industrial control applications
This hole reducing sleeve adapts a position indicator with a 0.375 in bore to fit a 0.75 in mounting hole. Made from 304 stainless steel, it ensures proper alignment and secure mounting in industrial machinery. Weight: 0.08 lb
ELESA
This hole reducing sleeve adapts a position indicator with a 0.375 in bore to fit a 0.75 in mounting hole. Made from 304 stainless steel, it ensures proper alignment and secure mounting in industrial machinery. Weight: 0.08 lb
Black oxide coated steel sleeve from the RB51 series, designed to reduce a 14 mm bore to a 10 mm bore for position indicators. Weighs 13 g. Used to adapt indicator mounting holes without custom machining
ELESA
Black oxide coated steel sleeve from the RB51 series, designed to reduce a 14 mm bore to a 10 mm bore for position indicators. Weighs 13 g. Used to adapt indicator mounting holes without custom machining
Hole reducing sleeve for adapting position indicators with 6 mm shafts to 14 mm mounting bores. Made of black oxide coated steel. Weight 21 g. Series RB51
ELESA
Hole reducing sleeve for adapting position indicators with 6 mm shafts to 14 mm mounting bores. Made of black oxide coated steel. Weight 21 g. Series RB51
Black oxide coated steel sleeve for adapting position indicators with a 0.25 in bore to fit a 0.75 in mounting hole. Used in industrial machinery to align and secure indicators for accurate position readouts
ELESA
Black oxide coated steel sleeve for adapting position indicators with a 0.25 in bore to fit a 0.75 in mounting hole. Used in industrial machinery to align and secure indicators for accurate position readouts
Hole reducing sleeve for position indicators, made of black oxide coated steel. Bore diameter 0.25 in, fits 0.5 in bore. Adapts indicators to accept smaller shafts in industrial machinery
ELESA
Hole reducing sleeve for position indicators, made of black oxide coated steel. Bore diameter 0.25 in, fits 0.5 in bore. Adapts indicators to accept smaller shafts in industrial machinery
Hole reducing sleeve from the RB52 series, used to adapt position indicators with a 15 mm shaft to fit a 20 mm bore. Made of black oxide coated steel, it ensures a concentric fit for accurate indication. Weight 23 g
ELESA
Hole reducing sleeve from the RB52 series, used to adapt position indicators with a 15 mm shaft to fit a 20 mm bore. Made of black oxide coated steel, it ensures a concentric fit for accurate indication. Weight 23 g
Hole reducing sleeve for adapting position indicators with a 0.5 in bore to a 0.25 in shaft diameter. Constructed from 304 stainless steel. Weight: 0.04 lb. Part of the RB51 series
ELESA
Hole reducing sleeve for adapting position indicators with a 0.5 in bore to a 0.25 in shaft diameter. Constructed from 304 stainless steel. Weight: 0.04 lb. Part of the RB51 series