30x37x4 NBR TC GRN® Double Lip Radial Shaft Oil Seal

30x37x4 NBR TC GRN® is a double-lip radial shaft oil seal for a 30 mm shaft and 37 mm housing bore, with a width of only 4 mm. Manufactured from NBR nitrile rubber. The TC design features a spring-loaded primary sealing lip and an additional dust lip that helps protect the sealing area against external contamination.

30x37x4 NBR TC GRN® Double Lip Radial Shaft Oil Seal

30x37x4 NBR TC GRN® is a compact double-lip radial shaft oil seal manufactured from NBR - Nitrile Butadiene Rubber. It is designed for a 30 mm shaft and 37 mm housing bore, with a width of 4 mm.

30x37x4 Oil Seal - Dimensions

d - Shaft Diameter: 30 mm
D - Housing Bore Diameter: 37 mm
B - Width: 4 mm
Dimensions: 30x37x4 mm
Material: NBR
Design: TC
Brand: GRN®

TC Double-Lip Design

The TC design combines a spring-loaded primary sealing lip with an additional dust lip.

The primary lip provides dynamic sealing against the rotating shaft, while the secondary lip helps prevent dust, dirt and external contaminants from reaching the main sealing area.

NBR Oil Seal

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

Compatibility should always be verified for the specific medium, temperature and operating conditions.

Correct Selection

For correct identification, verify the complete specification:

30x37x4 mm + NBR + TC + GRN®

The 4 mm width is particularly important. Oil seals with the same 30 mm shaft and 37 mm housing diameters but a different width should not automatically be considered interchangeable.

Technical Specification

Brand: GRN®
Product Type: Radial shaft oil seal
Design: TC
Configuration: Double lip
Dimensions: 30x37x4 mm
Shaft Diameter: 30 mm
Housing Bore Diameter: 37 mm
Width: 4 mm
Material: NBR
Primary Sealing Lip: Spring-loaded
Additional Dust Lip: Yes

FAQ

What are the dimensions of the GRN 30x37x4 TC oil seal?

The seal has a 30 mm shaft diameter, 37 mm housing bore diameter and 4 mm width.

What does TC mean?

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

Does this GRN oil seal have a dust lip?

Yes. The TC design includes an additional dust lip for protection against external contamination.

Is NBR suitable for oil?

NBR is widely used with mineral oils and greases, subject to compatibility with the specific medium and operating conditions.

Can a wider 30x37 oil seal replace the 30x37x4?

Not automatically. The 4 mm width is part of the product specification and must be considered when selecting a replacement.

AI OVERVIEW

30x37x4 NBR TC GRN® is a compact double-lip radial shaft oil seal for a 30 mm shaft and 37 mm housing bore, with a 4 mm width. Manufactured from NBR, it features a spring-loaded primary sealing lip and an additional dust lip for contamination exclusion.