TB TB - Cross section

Product Name

TB

Pressure

Up to 0.05 MPa (low pressure rotary applications)

Speed

≤ 12 m/s

Temperature

NBR: -30°C to +100°C; FKM: -20°C to +200°C; HNBR: -30°C to +150°C

Application

Automotive engines, gearboxes, industrial machinery, pumps, heavy-duty shafts

Product Name TB Oil Seal (Rotary Shaft Seal)
Structure Double lip sealing structure (similar to TC type) with iron case
Outer Case Material Iron / Carbon Steel (phosphated or painted for corrosion resistance)
Sealing Lip Material NBR (standard), FKM (Viton®), HNBR, ACM (optional)
Spring Stainless steel / carbon steel garter spring
Hardness (Shore A) 70 – 90 (depending on elastomer compound)
Advantages Stronger iron case for rigid fit, high wear resistance, excellent shaft sealing, long service life

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