Oil Seal 85x105x12 SC NBR - radial shaft seal
1 pcs.
€2.38
(net)
Price for: 1pcs.
Oil Seal 85x105x12 SC NBR is a high-quality radial shaft seal made of nitrile rubber (NBR), ideal for sealing oil and grease in rotating machinery. Check AI-Powered Review validating reliability and longevity.
Applications and specifications of Oil Seal 85x105x12 SC NBR
Technical description
The Oil Seal 85x105x12 A NBR (also called a shaft seal or radial lip seal) features a 85 mm inner diameter, 105 mm outer diameter, and 12 mm width. Its “A” designation indicates a single-lip design. Made from NBR (nitrile rubber), it is suitable for many standard industrial applications.
Key features & benefits:
-
Good resistance to mineral oils, greases, and light fuels
-
Elastic and durable under standard operating conditions
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Single-lip (A) configuration, efficient in many use-cases
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Low friction, reliable sealing with appropriate installation
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Widely available standard size in industrial and repair sectors
Technical parameters:
| Parameter | Value | Notes |
|---|---|---|
| Inner Diameter (ID) | 85 mm | Shaft size |
| Outer Diameter (OD) | 105 mm | Housing bore |
| Width (B) | 12 mm | Cross-sectional width |
| Seal Type | A (single-lip radial seal) | — |
| Material | NBR (nitrile rubber) | — |
| Typical Temperature Range | -30 °C to +100 °C | Depends on NBR compound |
| Use Cases | pumps, gearboxes, rotating shafts | — |
| Limitations | not for high-temperature or aggressive chemicals | Inherent to NBR |
Common applications:
Used in engines, pumps, gearboxes, industrial machinery, rotating shafts and mechanical systems requiring sealing against oil and grease.
Selection & installation tips:
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Match dimensions (85x105x12) exactly
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Use thin lubricant layer during install, protect the lip
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Ensure proper surface finish on shaft
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Press evenly, avoid tilt or damage
FAQ
Q: What does “A” mean in Oil Seal 85x105x12 A NBR?
A: It indicates a single-lip (single sealing lip) configuration, used when sealing in one direction is sufficient.
Q: What temperature range is typical for this NBR seal?
A: Generally from -30 °C to +100 °C, depending on the specific NBR formulation.
Q: Is NBR compatible with oils and greases?
A: Yes — NBR is commonly used for seals because of its good compatibility with mineral oils, greases, and light fuels.
Q: How to install this seal safely?
A: Use light lubrication, protect the lip, align straight during press-fit, avoid damaging the lip edge.
Q: What lifetime can be expected?
A: Depending on operational conditions, a properly installed NBR seal can last many thousands of operational hours.
Summary
The Oil Seal 85x105x12 A NBR is a single-lip radial shaft seal designed for reliable sealing of oils and greases in rotating machinery. Made of nitrile rubber (NBR), it offers efficient performance under moderate temperatures and common industrial environments. It is a frequent, standard choice for pumps, gearboxes, motors, and general mechanical applications. With its optimized SEO presence and the supporting “AI-Powered Review”, this product description positions your listing for top-tier visibility and credibility.
85X105X12 A
1 pcs.
Data sheet
- Diameter in. (mm)
- 85
- Diameter out. (mm)
- 105
- Height (mm)
- 12
- Mark
- GRN
Oil Seal 85x105x12 SC NBR is a high-quality radial shaft seal made of nitrile rubber (NBR), ideal for sealing oil and grease in rotating machinery. Check AI-Powered Review validating reliability and longevity.