The TROSTEL Oil Seal 2.094x2.722x0.406 M/R NBR is designed for rotary shaft applications requiring lubricant retention around a 2.094-inch shaft within a 2.722-inch housing bore.

The M/R profile is a manufacturer-specific TROSTEL configuration and should be treated as a specialized reinforced or composite rotary shaft-seal arrangement. The exact sealing-lip geometry, number of sealing elements, outside-case construction, reinforcement method, dust-exclusion feature, spring configuration, lip orientation, and installation direction cannot be determined reliably from the M/R designation alone.

For replacement work, the actual seal cross-section or original equipment drawing should therefore be checked before ordering.

Manufactured from NBR (Nitrile Butadiene Rubber), the sealing material is generally suitable for:

• Mineral oils
• Gear oils
• Hydraulic oils
• Bearing grease
• Petroleum-based lubricants
• General industrial lubricating fluids

NBR generally provides good resistance to petroleum-based oil, grease, abrasion, and mechanical wear under normal industrial service. Compatibility should be checked before use with aggressive chemicals, certain fuels, specialized synthetic lubricants, ozone-rich environments, or continuous high-temperature operation.

The inch dimensions convert approximately to:

Shaft diameter: 2.094 inches or 53.19 mm

Housing diameter: 2.722 inches or 69.14 mm

Seal width: 0.406 inch or 10.31 mm

The 2.094 × 2.722 × 0.406-inch configuration is suitable for compact-to-medium bearing housings, gearboxes, transmissions, and industrial rotating equipment requiring a specialized inch-size seal.

⚙️ Applications

• Industrial gearboxes
• Bearing housings
• Mechanical transmissions
• Industrial pumps
• Agricultural machinery
• Construction equipment
• Conveyor drive assemblies
• Industrial shaft systems
• Legacy rotating machinery
• OEM industrial equipment

🎯 Benefits

✔ Helps retain compatible oil or grease

✔ Oil-resistant NBR sealing material

✔ Suitable for 2.094-inch shaft assemblies

✔ Reinforced or composite M/R configuration

✔ Suitable for industrial rotating equipment

✔ Good resistance to abrasion and wear

✔ Compact 0.406-inch axial width

✔ Useful for maintenance and overhaul work

✔ Replacement ready when dimensions and M/R construction match

🧠 Technical Insight

• TROSTEL M/R Seal Reference
• Inch-Size Rotary Shaft Seal
• Reinforced / Composite Seal Arrangement
• NBR Sealing Material
• Manufacturer-Specific M/R Profile
• Low-Pressure Lubricant Retention
• 53.19 mm Shaft Diameter
• Exact M/R Cross-Section Must Be Verified

✅ Key Features

• TROSTEL Industrial Seal
• M/R Profile Reference
• Oil-Resistant NBR Material
• Reinforced / Composite Construction
• Inch-Size Dimensions
• 2.094x2.722x0.406 Configuration
• Industrial Replacement Seal
• Cross-Reference Support Available

📊 Specifications

Brand: TROSTEL

Model / Profile: M/R

Size: 2.094 × 2.722 × 0.406 inch

Metric Equivalent: Approximately 53.19 × 69.14 × 10.31 mm

Type: Reinforced / Composite Industrial Rotary Shaft Oil Seal

Material: NBR (Nitrile Butadiene Rubber)

Profile: M/R

Construction: Manufacturer-Specific Reinforced / Composite Rotary Shaft-Seal Construction

Lip Design: M/R profile; verify exact sealing-lip geometry, number of lips or sealing elements, and orientation against the original seal or technical drawing

Dust Lip: Verify from the actual M/R cross-section

Spring Type: Verify from the actual M/R seal construction

Shaft Diameter (ID): 2.094 inches / approximately 53.19 mm

Housing Diameter (OD): 2.722 inches / approximately 69.14 mm

Width: 0.406 inch / approximately 10.31 mm

Pressure Capability: Primarily low-pressure rotary shaft-sealing service unless otherwise specified

Lubrication: Compatible oil and grease

Temperature Range: Typically approximately -30°C to +100°C for standard NBR; verify the actual compound, lubricant, shaft speed, and operating conditions

Speed Consideration: Permissible speed depends on shaft diameter, shaft finish, lubrication, temperature, alignment, concentricity, runout, seal loading, and actual construction

Installation Consideration: Confirm shaft finish, shaft hardness, housing-bore condition, installation depth, lip orientation, concentricity, runout, and actual M/R cross-section before fitting

Application Class: Compact-to-Medium Industrial Bearing, Gearbox, and Rotating Equipment

Standard: Inch-Size Specialized Industrial Seal

🔁 Equivalent

Suitable replacement or cross-reference candidate for compatible:

• TROSTEL M/R NBR Rotary Shaft Seal
• TROSTEL 2.094x2.722x0.406 Oil Seal
• 53.19x69.14x10.31 Rotary Seal
• 2.094-Inch Shaft Oil Seal
• Reinforced NBR Shaft Seal
• Composite Rotary Shaft Seal
• Industrial Bearing Housing Seal
• Industrial Gearbox Shaft Seal
• OEM M/R Profile Oil Seal
• Industrial NBR Oil Seal

The same dimensions alone do not guarantee interchangeability. The replacement must also match the original M/R cross-section, sealing-lip geometry, number and arrangement of sealing elements, case construction, reinforcement method, spring configuration, lip orientation, installation direction, material compound, and operating requirements.

(Always verify dimensions, M/R construction, complete cross-section, shaft finish, shaft hardness, housing condition, installation depth, lubricant compatibility, rotational speed, temperature, concentricity, runout, pressure, and operating conditions before ordering.)

📦 Availability

✅ In Stock

🚚 Fast Delivery Available

🌎 Worldwide Shipping Available

📦 MOQ: 1 Piece

🏭 Suitable for gearbox overhaul, bearing-housing maintenance, industrial pump repair, transmission servicing, agricultural-machinery repair, conveyor-drive maintenance, legacy-equipment restoration, and compatible OEM replacement applications.

📲 Contact via LINE ID: dusitrea

📧 Email: sales@seal4go.com

💬 Technical support available before ordering

🔍 Assistance available for cross-reference and equivalent part identification