Product Overview

This product is the CR 35066 wheel / hub seal, designed with the SCOT1 multi-lip structure and constructed with premium NBR rubber and a metal skeleton. It serves to retain lubricant inside the wheel hub while effectively keeping contaminants and moisture out.

Key Features & Specifications

• Inner Diameter (Shaft): 3.500 in (≈ 88.90 mm)

• Outer Diameter (Bore / Housing): 4.842 in (≈ 122.99 mm)

• Width / Thickness: 0.904 in (≈ 22.96 mm)

• Seal Model: CR 35066

• Seal Type: Wheel / Hub / Radial Seal

• Design: SCOT1 multi-lip design

• Lip Configuration: Oil-lip + Dust-lip

• Lip Material: NBR (Nitrile Rubber)

• Reinforcement Structure: Metal skeleton / reinforced case

• Construction: Solid one-piece assembly

• Operating Temperature Range: -40 °F to +250 °F (≈ -40 °C to +121 °C)

• Compatible Fluids: Lubricating oils, greases

• Wear Resistance: Excellent

• Oil / Chemical Resistance: High

• Dynamic Sealing: Yes

• Static Sealing: Yes

• Contaminant Exclusion: Outer dust lip prevents ingress

• Low Pressure Tolerance: Suitable for wheel hub low-pressure environment

• Speed Capability: Designed for typical wheel-end rotational speeds

• Misalignment Tolerance: Accepts small TIR variation

• Installation: Press-fit into hub bore

• Shaft Surface Finish Requirement: To meet lip contact spec

• Shaft Hardness Requirement: Typically recommended ≥ certain HRC

• Durability / Service Life: Long-term stable performance

• Age / Ozone Resistance: Moderate, typical of NBR

• Thermal Stability: Maintains sealing across temperature range

• Friction / Torque: Designed for low friction torque

• Standards Compliance: Follows OEM / industry seal standards

• Cross-Reference Compatibility: Matches OEM 35066, 370001A, etc.

• Brand Reference: SKF / Chicago Rawhide / CR series

• Packaging: Single or bulk unit packaging options

• Weight: Lightweight hub seal

• Interchangeable Replacement: Compatible with many OEM hub seals

• Application Field: Heavy trucks, steer axle hubs, wheel ends

• Sealing Direction: Radial sealing

• Orientation: Designed for hub outward or inward side sealing

• Spring / Garter Spring: May include internal spring in lip

• Installation Depth: Flush or slight embed depth in hub

• Bore Coating: Possible BORE-TITE or bonded outer coating

• Exclusion of Water / Debris: Effective sealing against ingress

• Custom Sizes: Available on request

• Certifications: ISO / OEM quality assurance

• Performance Degradation: Acceptable margin at temperature extremes

• Lip Geometry: Optimized contact angle design

• Preload / Tension: Proper lip preload for sealing contact

• Case Elasticity: Accommodates slight bore variation

• Vibration / Shock Resistance: Reliable under vehicle dynamics

• Packaging Quantity: Specified per box / by order

Features & Benefits

1. Multi-lip SCOT1 design ensures superior sealing of lubricant and excluding dirt.
2. NBR material offers excellent wear and oil resistance.
3. Robust metal skeleton enhances structural integrity.
4. Wide temperature range usability.
5. Simple press-fit installation and replacement.
6. Durable & reliable in harsh road / vehicle environments.
7. OEM cross-compatible with many hub/wheel seal series.
 

Typical Applications

Ideal for heavy-duty truck wheel ends, steer axle hubs, wheel assembly systems, trailer hubs, and other automotive or industrial rotating axle systems.