Parker Oil/Grease Seals

TB, SB – Metal case with ParKote™ bore sealant or ground OD. Most common and economical.

TC, SC – Rubber covered OD for improved OD sealing and soft alloy housing.

TA, SA – Double case with ParKote™ bore sealant or ground OD. Structural rigidity, blind shaft installation.

Application

General purpose, spring-loaded design. Most commonly used for oil or grease retention. Double lip profiles have secondary lip for light dust and fluid exclusion.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

TB, TC, TA – Up to 2500 fpm (12.7 m/s) SB, SC, SA – Up to 3200 fpm (16.3 m/s)

Maximum Pressure

0 to 7 psi (0 to 0.48 bar), depending on shaft speed

Shaft Size Range

0.250 to 10.000 inches (5 to 260 mm)

Important: For full listings of standard sizes, please Contact Industrial Seal Inc.

KB, VB – Metal case with ParKote™ bore sealant or ground OD. Most common and economical.

KC, VC – Rubber covered OD. Improved OD sealing and soft alloy housing.

KA, VA – Double case with ParKote™ bore sealant or ground OD. Structural rigidity, blind shaft installation.

Application

General purpose, springless design. Most commonly used for grease retention. Double lip profiles incorporate a secondary lip for exclusion of light dust and fluids.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 2000 fpm (10.2 m/s)

Maximum Pressure

0 to 7 psi (0 to 0.48 bar), depending on shaft speed

Shaft Size Range

0.250 to 6.000 inches (5 to 150 mm)

Important: For full listings of standard sizes, please Contact Industrial Seal Inc.

DB – Metal case with ParKote™ bore sealant or ground OD. Most common and economical.

DC – Rubber covered OD for improved OD sealing and soft alloy housing.

DA – Assembled case with ParKote™ bore sealant or ground OD. Structural rigidity, blind shaft installation.

Application

Dual spring-loaded lips are generally used where separation of two fluids is required. Also used for high contamination applications.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 2000 fpm (10.2 m/s)

Maximum Pressure

0 to 7 psi (0 to 0.48 bar), depending on shaft speed

Shaft Size Range

0.250 to 4.000 inches (5 to 100 mm)

Important: Contact Industrial Seal Inc. for available sizes.

TDN3 – Rubber covered OD for improved OD sealing.

NSC4 – Rubber covered OD for improved OD sealing.

NTC4 – Rubber covered OD for improved OD sealing.

Application

For medium pressure applications.

Operating Temperature Range

NBR: -20F to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Thru 4000 fpm (20.3 m/s)

Maximum Pressure

Up to 200 psi (13.7 bar), depending on design and shaft speed

Shaft Size Range

0.250 to 4.000 inches (5 to 100 mm)

Important: Contact Industrial Seal Inc. for available sizes.

CB – Metal case with ParKote™ bore sealant standard. CB design requires special installation tool.

CL, CH – Rubber covered OD for improved OD sealing and soft alloy housing.

Application

Unitized design. Sealing elements ride on a proper internal sealing surface. Primarily used in gear box applications. Improved contaminant exclusion. Minimizes shaft surfacing requirements and will not groove shaft.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 3200 fpm (16.3 m/s) depending on design

Maximum Pressure

0 to 7 psi (0 to 0.48 bar), depending on shaft speed

Shaft Size Range

0.500 to 14.000 inches (10 to 350 mm)

Important: Contact Industrial Seal Inc. for available sizes.

SCE – Rubber covered OD for improved OD sealing in bores with minor imperfections and soft alloy housing.

SME – Metal case OD with rubber inside providing corrosion protection for inside of case.

SAE – Double case with ParKote™ bore sealant standard. Inner case provides structural rigidity for large cross-sections. Guides shaft during installation.

Application

Seal lip floats with shaft for more uniform lip loading during misalignment conditions. High runout conditions, up to 0.125 inch (3.18 mm) total eccentricity for oil or grease retention. Moderate speeds, dependent on misalignment.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 2500 fpm (12.7 m/s) depending on runout

Maximum Pressure

0 to 3 psi (0.20 bar), depending on shaft speed

Shaft Size Range

0.750 to 10.000 inches (20 to 260 mm)

Important: Contact Industrial Seal Inc. for available sizes.

OSB – Metal case with press fit ID.

OSC – Rubber covered ID for improved ID sealing.

OSA – Double case for structural rigidity.

Application

Outside spring-loaded single lip design. For grease applications where bore rotates.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 1000 fpm (5.1 m/s)

Maximum Pressure

0 to 7 psi (0 to 0.48 bar), depending on speed

Shaft Size Range

0.250 to 10.000 inches (5 to 260 mm)

Important: Contact Industrial Seal Inc. for available sizes.

SBF – Metal case with ParKote™ bore sealant standard. Most common and economical.

SCF – Rubber covered OD for improved OD sealing in bores with minor imperfections and soft alloy housing.

TBF – Metal case with ParKote™ bore sealant standard. Most common and economical.

TCF – Rubber covered od for improved od sealing in bores with minor imperfections and soft alloy housing.

TN – The TN lip element is PTFE bonded to NBR and combines the low friction properties of PTFE with the flexibility of rubber.

Application

The lip element is PTFE bonded to rubber and combines the low friction properties of PTFE with the flexibility of rubber. For dry running applications, higher speeds and enhanced chemical compatibility.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 5000 fpm (25.4 m/s) (TN – up to 2500 fpm [12.7 m/s])

Maximum Pressure

0 to 7 psi (0 to 0.48 bar), depending on shaft speed (TN – up to 10 psi [0.68 bar])

Shaft Size Range

0.500 to 10.000 inches (10 to 250 mm)

Important: Contact Industrial Seal Inc. for available sizes.

W – Metal case with ParKote™ bore sealant or ground OD. Scraper lip profile.

WPC – Rubber covered OD for improved OD sealing. Wiper profile for grease retention in slow rotary and reciprocating applications.

WPR – Rubber covered OD for improved OD sealing.

Application

General purpose rod wiper. For rotary and reciprocating shafts. Single lip, springless design. For heavy dust exclusion.

Operating Temperature Range

NBR: -20 to 250 °F (-29 to 121 °C) FKM: -40 to 400 °F (-40 to 204 °C)

Shaft Surface Speed

Up to 2000 fpm (10.2 m/s) Rotary Up to 300 fpm (1.5 m/s) Reciprocating

Maximum Pressure

0

Shaft Size Range

0.375 to 10.000 inches (10 to 250 mm)

Important: Contact Industrial Seal Inc. for available sizes.