Nook FLG7570 PowerTrac Ball Nut Mounting Flange 4-Bolt Round
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The Nook Industries FLG7570 is a new PowerTrac series round 4-bolt ball nut mounting flange, part number confirmed visible in photos alongside lot/batch code 307930/1/1, manufactured in the USA under the Nook Thomson brand. The FLG7570 is designed to mount the PowerTrac ball nut to a machine structure, providing a rigid, precision-machined interface — the center bore features a fine internal thread (visible in photos) that mates directly to the threaded OD of the corresponding PowerTrac ball nut, while four through-bolt holes in the flange body allow secure bolting to a housing or end plate. The flange is machined from steel with a black oxide finish for corrosion resistance and is dimensionally compatible with the Nook PowerTrac 75 x 70 lead ballscrew assembly (as decoded from the FLG7570 designation: 75 mm nominal screw diameter, 70 mm lead). A radial lubrication/grease port is visible on the OD of the flange body. This component is used in linear motion actuator assemblies, CNC machine tools, and industrial automation systems where the PowerTrac ball nut must be fixed to a stationary or moving carriage structure.
Product Specifications
| Brand | Nook Industries (Nook Thomson) |
| MPN | FLG7570 |
| Series | PowerTrac |
| Lot / Batch Code | 307930/1/1 |
| Country of Origin | USA |
| Flange Type | Round 4-Bolt Mounting Flange |
| Compatible Screw Nominal Diameter | 75 mm |
| Compatible Ball Nut Lead | 70 mm |
| Bolt Holes | 4 |
| Center Bore | Internally threaded (mates to ball nut OD thread) |
| Finish / Coating | Black oxide |
| Material | Steel |
| Lubrication Port | Radial grease port on OD (visible in photos) |
| Condition | New |