NTN 7312 BL1DB Angular Contact Ball Bearing
Rolamento de esferas de contato angular duplex NTN 7312 BL1DB rolamento de esferas de contato angular duplex com arranjo costas com costas (DB), ângulo de contato de 40 graus e alta capacidade de carga para aplicações industriais de precisão.
NTN 7312 BL1DB Duplex Angular Contact Ball Bearing
A high-precision duplex angular contact ball bearing manufactured by NTN, designed to support combined radial and axial loads with high rigidity and accuracy. This bearing features a back-to-back (DB) matched arrangement and a 40-degree contact angle, making it suitable for demanding industrial applications requiring high load capacity and stable rotational performance.
Manufacturer: NTN
Type: Duplex Angular Contact Ball Bearing
Model: 7312 BL1DB
Basic Load Ratings
Speed Ratings
| Bore Diameter (d) | 60 mm |
| Outer Diameter (D) | 130 mm |
| Width (B) | 31 mm |
| Contact Angle | 40 degrees |
| Dynamic Load Rating (Cr) | 99.5 kN |
| Static Load Rating (C0r) | 66 kN |
| Fatigue Load Limit | 5.15 kN |
| Limit Speed (Oil Lubrication) | 6800 rpm |
| Limit Speed (Grease Lubrication) | 5100 rpm |
| Cage | Glass fiber |
| Matched Arrangement | Back-to-back arrangement (DB) |
