Description
Overview:
The Corteco Oil Seal Ring with Dust Lip is a rotary shaft seal designed to keep lubricants in and contamination out on rotating assemblies in agricultural and construction machinery. Made from durable NBR (Nitrile Butadiene Rubber), it offers strong resistance to oil and wear for dependable service life. This seal replaces JCB part number 904/20254 and is identified by Corteco MPN 12015607B. Precision dimensions are 90 x 110 x 7.5/8.5 mm (3.54 x 4.33 x 0.30/0.33 inches), providing a snug, accurate fit in standard housings. The dual-function profile combines an oil-retaining lip and a dust lip to protect bearings, hubs, gearboxes, and pumps from dirt and moisture, helping maintain machine efficiency and reducing unplanned downtime.
Key Features:
- NBR construction for reliable resistance to oils and general wear in demanding environments
- Dual-lip design: primary lip retains oil; secondary dust lip shields against dirt and moisture
- Precision size: 90 x 110 x 7.5/8.5 mm (3.54 x 4.33 x 0.30/0.33 inches) for accurate seating and sealing
- Replaces JCB 904/20254 for straightforward like-for-like servicing
- Corteco MPN 12015607B for easy identification and procurement
- Suitable for rotating shafts in hubs, gearboxes, final drives, and hydraulic pump interfaces
- Helps reduce leakage, contamination ingress, and premature bearing wear
- Standard press-fit design supports conventional installation methods with appropriate tools
- Compatible with a wide range of agricultural and construction machinery using these dimensions
- Robust sealing lip geometry designed to maintain contact under normal operating conditions
Typical Applications:
Used on rotating shafts found in wheel hubs, axle ends, gearboxes, power take-off points, and hydraulic pump or motor housings on agricultural tractors, handlers, and construction equipment. Ideal where oil retention and dust exclusion are both required, such as off‐road machinery operating in mud, dust, or wet conditions. Suitable as a maintenance replacement where the original size and specification match.
Also known as:
Rotary shaft seal, radial oil seal, double-lip seal, dust lip seal, NBR seal ring, hub seal, axle seal, machinery oil seal, radial shaft seal, rotary seal. These terms describe similar components used to retain lubricants and exclude contaminants on rotating equipment.
Alternate Part Numbers:
904/20254, 82015607, 90420254
Product Specifications
| L&S Part No. | 320 277 |
|---|---|
| Manufacturer | Corteco |
| OEM No. | 12015607B |
| Unit of Sale | 1 |
| Size | 90 x 110 x 7.5/8.5mm |
| Machine Type | Excavators, Loaders, Tractors |
| Fits Brands | JCB |
| Key Features | - NBR construction resists oils and wear - Dual-lip design retains oil, blocks dirt - Precision size: 90 x 110 x 7.5/8.5 mm - Replaces JCB part number 904/20254 - Suitable for agricultural and construction machinery |
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