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ELESA RB51 Hole Reducing Sleeve - Hole Reducing Sleeves for Position Indicators
ELESAHole Reducing Sleeves for Position Indicators

ELESA RB51 Hole Reducing Sleeve

The ELESA Hole Reduction Sleeve (Series RB51, MPN CE985940) is a black oxide coated steel hole reducing sleeve designed for position indicators. It features a 0.25 in bore diameter and fits a 0.5 in bore.

SKU 3G-OTH-28849

Also listed as: CE 985940 · CE-985940

Brand
ELESA
Item
RB51 Hole Reducing Sleeve
Part Number
CE985940
Category
Hole Reducing Sleeves for Position Indicators
Available to Order
Also known as:CE985940ELESA
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

ELESA
Manufacturer Part Number
CE985940
Series
RB51
Type
Fits 0.5 in Bore
Bore Dia
0.25 in

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

Product Description

The ELESA Hole Reduction Sleeve (Series RB51, MPN CE985940) is a black oxide coated steel hole reducing sleeve designed for position indicators. It features a 0.25 in bore diameter and fits a 0.5 in bore.

Frequently Asked Questions

What is an ELESA hole reduction sleeve used for?

An ELESA hole reduction sleeve adapts a position indicator with a 0.5 in bore to accept a 0.25 in shaft. It is used in industrial machinery to mount dials, knobs, or indicators where shaft and bore sizes differ, ensuring a secure fit without replacing the entire component.

What are the specifications of the ELESA RB51 hole reduction sleeve?

The ELESA RB51 hole reduction sleeve (MPN CE985940) has a 0.25 in bore diameter and fits a 0.5 in bore. It is made of black oxide coated steel for corrosion resistance. This sleeve is designed specifically for position indicators in industrial applications.

Where to buy ELESA hole reduction sleeves worldwide?

3G Electric supplies ELESA hole reduction sleeves worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine ELESA components to your facility. Contact us for pricing and lead time on the RB51 series sleeve.

How to install an ELESA hole reduction sleeve?

To install an ELESA hole reduction sleeve, insert it into the 0.5 in bore of the position indicator. Ensure the sleeve is fully seated and aligned. Then mount the shaft through the 0.25 in bore. Use set screws or retaining rings as specified by the indicator manufacturer to secure the assembly.

Used in

Common applications for ELESA
Hydraulic power units — ELESA flanged filter breather vent (MPN 156886) with 40-micron element for reservoir air filtration and pressure venting.
Industrial gearboxes — ELESA tethered filter breather vents with 3/8" or 1/2" BSPP threads to prevent contamination ingress during thermal cycling.
Control panels and machinery — ELESA magnetic cable clips with 0.2 in or 0.35 in slot widths for routing cables on ferrous surfaces.
Adjustable clamping systems — ELESA teardrop-style adjustable handles with 1/2"-13 threaded hole and blue push-button cap for quick repositioning.
Mobile equipment — ELESA magnetic cable clips for securing wiring harnesses where drilling is not feasible.
Process skids — ELESA filter breather vents with polyamide bodies and tethers for corrosion-resistant venting of small reservoirs.
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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.

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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
This hole reducing sleeve from ELESA's RB51 series adapts a 0.5-inch bore to a 0.375-inch bore for position indicators. Constructed of black oxide coated steel, it provides a precise fit for mounting indicators in industrial control and automation applications
ELESA
This hole reducing sleeve from ELESA's RB51 series adapts a 0.5-inch bore to a 0.375-inch bore for position indicators. Constructed of black oxide coated steel, it provides a precise fit for mounting indicators in industrial control and automation applications

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