N10/500-K-M1-SP Bore 500 Mm, Cylindrical Roller Bearing, Single Row, Separable, With Brass Cage
The N10/500-K-M1-SP Ultra-precision cylindrical roller bearings are widely used in fields with stringent requirements for radial stiffness and rotational accuracy, such as: machine tool spindles (radial support for lathe and grinding machine spindles), high-speed electric spindles, rolling mills (precision rolls), industrial robot joints, precision measuring equipment, and high-precision rotating mechanisms in aerospace.
The N10/500-K-M1-SP bearing is a Cylindrical roller bearing, single row, separable, with cage with an inner diameter of 500 mm , an outer diameter of 720 mm, a width of 100 mm. It typically uses SP = Super Precision grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 1759994 N, its static radial rated load is approximately 3200025 N. It uses C1 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
N10/500-K-M1-SP bearings ( 500 mm x 720 mm x 100 mm) have the advantages of Extremely high rotational accuracy and rigidity, high rotational speed and low heat generation, suitable for high-speed and high-positioning-precision applications, and are therefore widely used in the Machine tool spindles, high-speed motors, precision rolling mills, industrial robots, and aerospace equipment.
| Part Number | N10/500-K-M1-SP |
| Design Type | N = steel rollers, ribs on inner ring, outer ring without ribs |
| Bearing Type | Cylindrical roller bearing, single row, separable, with cage (Non-locating bearing)} |
| Cage | M1 = Brass cage, roller-guided |
| Accuracy class | SP = Super Precision |
| Radial internal clearance | C1 |
| Rows NO. | Single row |
| Reference From | FAG N10/500-K-M1-SP |
| Dimension series | 10 (Medium series) |
| Bearing Mass - m [lb] | 286.598 |
| d φ Inside [inch] | 19.685 |
| D Φ Outside [inch] | 28.346 |
| B Width [inch] | 3.937 |
| E [inch] | 26.142 |
| rs(min.) [inch] | 0.236 |
| s Axial displacement [inch] | 0.457 |
| Cr Radial Dynamic [lbf] | 395646 |
| C0r Radial static [lbf] | 719365 |
| Cr Radial rigidity [N/μm] | 5106 |
| nB Reference speed (grease) [rpm] | 1020 |
| nG Limiting speed (oil) [rpm] | 1217 |
| Mounting dimensions | |
| da(h12) [inch] | 21.890 |
| Da(H12) [inch] | 26.386 |
| ra(max.) [inch] | 0.236 |
| Etk(nom.) [inch] | 25.610 |
The N10/500-K-M1-SP Ultra-precision cylindrical roller bearings are primarily composed of high-precision inner and outer rings (made of precision-ground bearing steel), cylindrical rollers (graded to P4 or higher precision), and a cage (solid brass or outer ring guided type). Common structures include the N10 series (double-flange outer ring, no flange inner ring) and the NN30 series (double-row structure), with the rollers and raceways employing a logarithmic curve profile design.
Ultra-precision cylindrical roller bearings exhibit extremely high radial stiffness, making them suitable for precision spindles requiring heavy loads and high rigidity. They offer high limiting speeds, and optimized roller end face and flange contact reduce friction and heat generation. Precision grades can reach P4 to P2, providing smooth rotation and low vibration. They can be used as floating end bearings to compensate for thermal expansion and maintain high positioning accuracy.
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