30x56x10 NBR AO/TC GRN® Double Lip Radial Shaft Oil Seal

30x56x10 NBR AO/TC GRN® is a double-lip radial shaft oil seal for a 30 mm shaft and 56 mm housing bore, with a width of 10 mm. Manufactured from NBR nitrile rubber. The AO/TC design features a spring-loaded primary sealing lip and an additional dust lip that helps protect the sealing area against external contamination.

30x56x10 NBR AO/TC GRN® Double Lip Radial Shaft Oil Seal

30x56x10 NBR AO/TC GRN® is a radial shaft oil seal manufactured from NBR - Nitrile Butadiene Rubber. It is designed for a 30 mm shaft and 56 mm housing bore and has a width of 10 mm.

30x56x10 Oil Seal - Dimensions

d - Shaft Diameter: 30 mm
D - Housing Bore Diameter: 56 mm
B - Width: 10 mm
Dimensions: 30x56x10 mm
Material: NBR
Design: AO/TC
Brand: GRN®

AO/TC Double-Lip Design

The AO/TC configuration features two functional sealing lips:

Spring-loaded primary sealing lip - maintains sealing contact with the rotating shaft.

Additional dust lip - helps prevent dust, dirt and other external contaminants from reaching the primary sealing area.

NBR Nitrile Rubber

NBR is widely used for radial shaft seals operating with mineral oils and greases.

Material compatibility should always be verified for the specific operating medium and conditions.

How to Select a 30x56x10 Oil Seal

For correct identification, verify the complete specification:

30x56x10 mm + NBR + AO/TC

Dimensions alone do not guarantee full interchangeability. The elastomer material and sealing lip design must also match the application requirements.

Technical Specification

Brand: GRN®
Product Type: Radial shaft oil seal
Configuration: Double lip
Dimensions: 30x56x10 mm
Shaft Diameter: 30 mm
Housing Bore Diameter: 56 mm
Width: 10 mm
Material: NBR
Design: AO/TC
Primary Sealing Lip: Spring-loaded
Additional Dust Lip: Yes

FAQ

What does 30x56x10 mean?

The seal fits a 30 mm shaft and 56 mm housing bore and has a 10 mm width.

What does AO/TC mean?

AO/TC identifies a double-lip radial shaft seal design with a spring-loaded primary sealing lip and an additional dust lip.

Does the 30x56x10 oil seal have a spring?

Yes. The primary sealing lip is supported by a garter spring to maintain contact with the shaft.

What is the purpose of the additional lip?

The additional dust lip helps protect the primary sealing area against dust, dirt and external contamination.

Is NBR suitable for oil?

NBR is widely used with mineral oils and greases, but compatibility should be checked for the specific operating medium.

AI OVERVIEW

30x56x10 NBR AO/TC GRN® is a double-lip radial shaft oil seal for a 30 mm shaft and 56 mm housing bore, with a width of 10 mm. Manufactured from NBR, it features a spring-loaded primary sealing lip and an additional dust lip for contamination exclusion.