Overview
The Chicago Rawhide 37040 is a metric oil seal engineered for reliable shaft sealing in industrial equipment, motors, gearboxes, and power transmission systems. With a 95mm inner diameter, 120mm outer diameter, and 12mm width, this seal combines nitrile rubber construction with a spring-retained design to provide consistent performance across a range of operating conditions.
Key Features
- Single-lip nitrile (R) construction for oil and grease sealing
- Spring-retained design ensures consistent contact pressure
- Bore-Tite® metal case for enhanced durability and alignment
- CRW1 configuration optimized for rotating shaft applications
- Metric dimensions: 95×120×12 mm for standard industrial equipment
- New in box condition—ready for immediate installation
Technical Specifications
- Part Number: 37040
- Seal Type: CRW1 R (Single Lip, Nitrile)
- Inner Diameter (Shaft): 95 mm (3.74″)
- Outer Diameter (Bore): 120 mm (4.724″)
- Width (Axial): 12 mm (0.472″)
- Lip Material: R (Nitrile Rubber)
- Spring Type: Wave Spring Retained
- Case Material: Bore-Tite® Metal Case
- Measurement System: Metric
- Weight: 0.17 lbs
- UPC: 85311033329
Typical Applications
- Electric motors and gear motors
- Gearboxes and reducers
- Pump and compressor shafts
- Industrial machinery and machine tools
- Power transmission and clutch assemblies
- Bearing housings requiring positive oil retention
Compatibility & Replacements
Compatible With
- Industrial electric motors and fractional horsepower drives
- Sealed bearing housings and gear reducers
- Standard shaft diameters at 95mm nominal
- Oil-lubricated mechanical systems
- Equipment manufactured to metric ISO standards
Replaces / Drop-In Replacement For
- Chicago Rawhide OEM replacement seal for model 37040
- Direct SKF cross-reference seal specifications
- Equivalent metric 95×120×12 mm single-lip seals from equivalent manufacturers
Works With
- Standard mineral oils and synthetic lubricants
- ISO VG 32 to ISO VG 150 hydraulic fluids
- Grease-compatible nitrile compound
- Any sealed equipment designed for 95mm shaft diameter sealing
