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TB
Up to 0.05 MPa (low pressure rotary applications)
≤ 12 m/s
NBR: -30°C to +100°C; FKM: -20°C to +200°C; HNBR: -30°C to +150°C
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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