BT2B332618A Bore 180 Mm, Backing Bearings For Cluster Mills
The BT2B332618A Backed bearings are suitable for heavy-duty rolling equipment such as multi-roll cold rolling mills. Classic applications include backing rolls in multi-roll mills, straighteners, bending machines, support rolls in Sendzimir mills, and work roll support systems in strip mills.
The BT2B332618A bearing is a Backing bearings for cluster mills with an inner diameter of 180 mm , an outer diameter of 406.425 mm, a width of 223.83 mm. It typically uses P4 (ABEC 7) grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 1754004 N, its static radial rated load is approximately 2643114 N. Seal on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BT2B332618A bearings ( 180 mm x 406.425 mm x 223.83 mm) have the advantages of High rigidity, high load-bearing capacity and precision retention, and are therefore widely used in the Backing for multi-roll mills.
| Part Number | BT2B332618A |
| Interchangeable | SKF BT2B332618A |
| Cage | Machined brass cage, roller centred |
| Bearing Type | Backing bearings for cluster mills |
| Load | radial |
| Accuracy class | P4 (ABEC 7) |
| Coating | NO |
| Bearing part | Complete |
| Row NO. | Two |
| Seal | Seal on both sides |
| Units | Metric |
| Manufacturer Part Code | BT2B 332618 A |
| Series | BT2B series(BT2B 3326.. A) |
| Application | cluster mills |
| Relubrication feature | Yes |
| Weight [lb] | 335.0992 |
| Cr Radial Dynamic [lbf] | 394300 |
| C0r Radial Static [lbf] | 594172 |
| Fr max. Dynamic radial loads [lbf] | 246427 |
| F0r max. Static radial loads [lbf] | 351843 |
| d φ Inside [inch] | 7.0866 |
| D Φ Outside [inch] | 16.0010 |
| B Thickness [inch] | 8.8122 |
| C [inch] | 8.6876 |
| H(max.) Section height [inch] | 4.457 |
The BT2B332618A Backed bearings primarily consist of an inner ring, an outer ring, single-row, double-row, or triple-row cylindrical rollers, and a cage. The outer ring is exceptionally thick, and the rollers and raceways feature a logarithmic profile design to optimize load distribution and reduce edge stress.
Backed bearings possess extremely high load-carrying capacity, capable of withstanding heavy loads and impact loads, while exhibiting low friction, minimal heat generation, and a long service life. The outer surface of the outer ring also utilizes a logarithmic profile, reducing edge loads during operation and improving operational reliability.
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