The Timken Company 21158-1189 Oil Seal

Description:

The Timken 21158-1189 oil seal is used in industrial rotating equipment to retain lubricants and prevent the ingress of contaminants in rotary shaft sealing applications. Commonly installed in gearboxes, pumps, electric motors, conveyors, compressors, and industrial machinery where dependable shaft sealing is essential for reliable operation. Maintenance teams and system integrators use this oil seal for equipment repairs, preventive maintenance, machinery rebuilds, and replacement of worn or leaking rotary shaft seals.

Applications:

The Timken 21158-1189 oil seal is commonly used in industrial gearboxes, centrifugal pumps, electric motors, conveyors, fans, compressors, and power transmission equipment where effective lubricant retention and protection against dirt, dust, and moisture help extend equipment service life.

Technical Specifications:

• Manufacturer: Timken
• Model / Part number: 21158-1189
• Product type: Rotary oil seal
• Seal series: 63 Series
• Shaft diameter (ID): 2.000 in (50.8 mm)
• Housing bore (OD): 2.750 in (69.85 mm)
• Width: 0.375 in (9.53 mm)
• Seal type: Single-lip rotary shaft oil seal
• Case material: Steel
• Lip material: Nitrile rubber (application dependent)
• Mounting: Press-fit into housing bore
• Application environment: Industrial rotating equipment and power transmission systems

Common Replacements:

• SKF CR 20000 series rotary oil seal
• Garlock KLOZURE rotary oil seal (equivalent size)
• National Oil Seals 21158-1189 equivalent