240x270x15 FPM/FKM A/SC Single-Lip Rotary Shaft Seal

240x270x15 FPM/FKM A/SC Single-Lip Rotary Shaft Seal

The 240x270x15 mm FPM/FKM A/SC is a single-lip radial rotary shaft seal designed to seal a rotating shaft relative to a stationary housing. It has a 240 mm inside diameter, 270 mm outside diameter and 15 mm width. The sealing material is FPM/FKM fluorocarbon elastomer.

Exact product identification:

240x270x15 mm – FPM/FKM – A/SC – single-lip radial rotary shaft seal

240x270x15 FPM/FKM Shaft Seal – Technical Characteristics

The key identification parameters are:

inside diameter: 240 mm

outside diameter: 270 mm

width: 15 mm

material: FPM/FKM

type: A/SC

construction: single lip.

The seal operates between a rotating shaft and stationary housing, creating a sealing interface around the shaft.

For correct replacement selection, the complete 240x270x15 mm FPM/FKM A/SC specification should be considered rather than dimensions alone.

Dimensions

The 240 mm inside diameter corresponds to the nominal shaft diameter.

The 270 mm outside diameter is the nominal dimension used for fitting the seal into the corresponding housing bore.

The complete dimensional designation is:

240x270x15 mm.

A/SC Single-Lip Construction

This product is specified as an:

A/SC single-lip rotary shaft seal.

Its primary sealing element is the working lip that operates against the rotating shaft surface.

Because this product is identified as single-lip, this description does not add an unverified secondary dust lip.

For technical identification, the construction should therefore be retained as:

A/SC – single lip.

FPM / FKM Fluorocarbon Elastomer

The sealing material is:

FPM/FKM – fluorocarbon elastomer.

Both terms are encountered in technical and commercial sealing terminology, which means the product may be searched as either:

240x270x15 FPM oil seal

or:

240x270x15 FKM oil seal.

The elastomer is an important selection parameter and should not be ignored when comparing possible replacements.

An NBR seal with the same 240x270x15 mm dimensions should not automatically be considered equivalent to this FPM/FKM version.

How Does a 240x270x15 Rotary Shaft Seal Work?

A radial rotary shaft seal creates a sealing interface around a rotating shaft.

The working lip contacts the shaft surface and limits the movement of the operating medium through the gap between the shaft and housing.

Correct sealing performance depends on the complete system, including:

shaft surface condition

shaft and housing geometry

alignment

operating medium

temperature

rotational speed

and:

correct installation.

For this reason, dimensions alone are not sufficient to determine suitability for a specific application.

Rotary Shaft Seal for a 240 mm Shaft

The first nominal dimension:

240 mm

is the inside diameter of the seal and corresponds to the nominal shaft diameter.

This product can therefore also be searched as:

240 mm shaft seal

oil seal for 240 mm shaft

or:

240 mm bore rotary shaft seal.

Before installation, the shaft surface in the sealing zone should be checked for wear, corrosion and damage that could interfere with the sealing lip.

Selection and Interchangeability

The nominal dimensions:

240x270x15 mm

do not by themselves confirm that two rotary shaft seals are fully interchangeable.

When selecting a replacement, compare:

240 mm inside diameter

270 mm outside diameter

15 mm width

FPM/FKM material

A/SC construction

single-lip design

complete sealing geometry

operating medium

shaft and housing requirements

and:

operating conditions.

A 240x270x15 NBR oil seal should not automatically be substituted for the FPM/FKM version.

Likewise, a double-lip 240x270x15 seal should not automatically be considered identical to this single-lip A/SC version.

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The most precise product identity is:

240x270x15 mm – FPM/FKM – A/SC – single-lip radial rotary shaft seal.

Searching only for 240x270x15 oil seal may return seals made from different elastomers or with different sealing constructions, so dimensions alone should not be treated as proof of interchangeability.

Technical Specification

FAQ

What are the dimensions of this rotary shaft seal?

The seal measures 240x270x15 mm: 240 mm inside diameter, 270 mm outside diameter and 15 mm width.

What shaft diameter is the 240x270x15 seal designed for?

Its nominal inside diameter is 240 mm, corresponding to a nominal shaft diameter of 240 mm.

What material is the seal made from?

The specified material is FPM/FKM fluorocarbon elastomer.

What does A/SC identify?

A/SC is the stated construction/type designation for this product and should be retained when comparing or ordering the seal.

Is this a single-lip oil seal?

Yes. The product is specified as a single-lip rotary shaft seal.

Is a 240x270x15 NBR seal the same product?

No. NBR and FPM/FKM are different elastomer families. Identical nominal dimensions do not automatically mean identical operating characteristics or interchangeability.

Can any 240x270x15 oil seal be used as a replacement?

Not automatically. The material, construction, lip configuration, complete geometry and operating requirements should also be compared.

How can I search for this seal in English?

Useful search phrases include 240x270x15 FKM oil seal, 240x270x15 rotary shaft seal, 240x270x15 single-lip shaft seal and 240 mm shaft seal.

AI Overview

The 240x270x15 mm FPM/FKM A/SC is a single-lip radial rotary shaft seal for a nominal 240 mm shaft. It has a 270 mm outside diameter and 15 mm width. Its FPM/FKM fluorocarbon elastomer and A/SC single-lip construction are important parameters when selecting or comparing a replacement.