Audited Supplier
TANN uses grey cast iron as the standard material for cast iron housings.Among metallic material cast iron has a high damping capcity,which is an ideal characteristic for mechanical components. This means cast iron,exhibits superior performance when absorbing vibration,compared with other materials.Additionally cast iron is suitable for high temperatures of up to 300 C°.
Housing Tolerance
| Cast Iron Ductile Iron castings | Dimensions (mm) | Tolerances | ||||||
| 1~100 | ± 1.50 | |||||||
| 100~200 | ± 2.00 | |||||||
| 200~400 | ± 3.00 | |||||||
| 400~800 | ± 4.00 | |||||||
| 800~1600 | ± 5.00 | |||||||
Bore Diameter Tolerance
| dia. (mm) | G7 | H7 | H8 | J7 | |||||
| 10-18 | +24 | +18 | +27 | +10 | |||||
| +26 | - 0 | - 0 | - 8 | ||||||
| 18-30 | +28 | +21 | +33 | +12 | |||||
| +7 | - 0 | - 0 | - 9 | ||||||
| 30-35 | +34 | +25 | +39 | +14 | |||||
| +9 | - 0 | - 0 | -11 | ||||||
| 50-80 | +40 | +30 | +46 | +18 | |||||
| +10 | - 0 | - 0 | -12 | ||||||
| 80-120 | +42 | +35 | +54 | +22 | |||||
| +12 | - 0 | - 0 | -13 | ||||||
| 120-180 | +54 | +40 | +63 | +26 | |||||
| +14 | - 0 | - 0 | -14 | ||||||
| 180-250 | +61 | +46 | +72 | +30 | |||||
| +15 | - 0 | - 0 | -16 | ||||||
| 250-315 | +69 | +52 | +81 | +36 | |||||
| +17 | - 0 | - 0 | -16 | ||||||
| 315-400 | +75 | +57 | +89 | +39 | |||||
| +18 | - 0 | - 0 | -18 | ||||||
| 400-500 | +83 | +63 | +97 | +43 | |||||
| +20 | - 0 | - 0 | -20 | ||||||
| 500-620 | +92 | +69 | +104 | +46 | |||||
| +23 | - 0 | - 0 | -23 |
Recommonded Fit of Bearing Housing Tolerance
| Load conditions | Reference example | Tolerance | |||||||
| Direction of load indeterminate Normal and light load | Electric motors, pumps | J7 | |||||||
| Rotating inner ring loda Loads of a kinds | General bearing & bushes | H7 | |||||||
| Rotating inner ring loda Normal and light load | Plummer blocks | H8 | |||||||
| Rotating inner ring loda High temperature | Paper dryers | J7 | |||||||
Remark: All SN housings available with Felt-seals (FS).
Granville is a diversified company founded in London, UK in 2008. In order to adapt to the international market situation and enterprise development needs, since 2012, the company has gradually oriented to foreign markets through investment, resource integration, the Granville's businesses are present across five continents.
We develop and manufacture precision products mainly close to our life motion - in machines, vehicles as well as in energy and medical applications. For over 16 years, Granville has been specializing in the motion industry and supplying products of exceptional quality. With a deep commitment to the automotive aftermarket, precision crafted machining and manufacturing solutions, exploration of the frontiers of Industry 4.0 and innovation in renewable energies, Granville is a reliable partner in making transmissions and manufacturing more efficient, intelligent and sustainable with its innovative technologies, customized products and comprehensive services.
In order to maintain the quality constant over time, below entire series of test reported are performed:
-hardness tests on the materials
-microscopic inspection
-chemical analysis of the composition
-magnetic exploration
-corrosion from contct with acid substances
-noise and vibration tests
-visual inspection
Plastic tube->Plastic bag->Carton->Closed pallet(Special designed available)
1.Can you accept OEM and customization?
Yes. We can customize it according to the samples and drawings you provide.
2.Can you provide some samples free of charge?
Yes. We can provide samples free of charge but not include the freight.
3.What's the delivery time?
The delivery time of sample order is 3 working days and the bulk order is 5-10 working days.
4. Why your price is not the lowest?
Price = quality . You get what you pay for. We firmly believe that the customer always get more benifits from the good quality than the price with little diffrence. So we insist on doing high-quality products.
5:What kind of transport do you have ?
According to the weight,we will choose the most appropriate mode of transport for you. Our freight forwarding is efficient and cheap.
