| Part Number | BT2B 328187/HA2 |
| Type | Bearing |
| System of Measurement | Metric |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered Roller |
| For Load Direction | Combined Radial and Thrust |
| Construction | Double Row |
| Seal Type | Open |
| Cups Type | Standard |
| Bore Dia | 260.35 mm |
| Bore Dia Tolerance | -0.035mm to 0 |
| Outer Dia | 422.275 mm |
| Outer Dia Tolerance | -0.045mm to 0 |
| Double Cone Width | 178.592 mm |
| Double Cone Width Tolerance | -0.2mm to 0 |
| Bearing Width | 178.592 mm |
| Bearing Width Tolerance | +0.35mm to -0.25mm |
| Abutment Diameter Shaft | 331 mm |
| Abutment Diameter Housing | 331 mm |
| Chamfer Dimension Inner Ring | min.6.8 mm |
| Chamfer Dimension Outer Ring | min.1.5 mm |
| Dynamic Radial Load | 504000 lbf |
| Static Radial Load | 911250 lbf |
| Ring Material | 52100 Chrome Steel |
| Roller Material | 52100 Chrome Steel |
| Fatigue Load Limit | 79875 lbf |
| Comparative Radial Load Rating | 123750 lbf |
| Comparative Axial Load Rating | 40275 lbf |
| Distance Pressure Point | 158 mm |
| Lubrication | Required |
| Temperature Range | -30° to 110 °C |
| ABEC Rating | ABEC-1 |
| Radial Clearance | Standard (Available in C3/C4/C5) |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 190.70 lb |
Aubearing is an ISO certified Chinese bearing manufacturer and supplier. Competitive prices, 1,200,000+ SKU inventory, including internationally renowned brands such as SKF, Timken, Schaeffler (FAG, INA), NSK, KOYO, NTN, McGill, etc. Aubearing has invested in 300+ equipment, heat treatment facilities, lathes, grinders, milling machines, bearing production lines, CMMs, metallographic testers, etc. Leading Time<7 Days, MOQ=1.
Various types of ball bearings and roller bearings, size range: 1mm-2000mm. Including thin section bearings (KAYDON equivalents and 67, 68, 69 series), ceramic bearings, stainless steel bearings, deep groove ball bearings, angular contact bearings, thrust ball bearings, spherical roller bearings, cylindrical roller bearings, needle roller bearings, tapered roller bearings, precision crossed roller bearings, bushings (sleeve bearings), linear bearings, automotive wheel hub bearings and corresponding inch series.
Customization options: material (Gcr15, silicon nitride, silicon carbide, zirconium oxide, aluminum oxide, stainless steel 304, 316, 420, 440, PTFE\PEEK\nylon and other plastics), cage (brass, stamping steel, retainer), lubrication (lubricating oil, grease, high temperature resistance), clearance (C2\CN\C3\C4\C5), seal (nitrile rubber, silicone rubber, fluororubber, polypropylene rubber), shielding, etc.