Call seeder in Laravel without Model and use Faker

seeder_faker_db.php

<?php

namespace Database\Seeders;

use Faker\Generator;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

class PartNumberFinalDiscountSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        $faker = app(Generator::class);
        Schema::disableForeignKeyConstraints();
        for ($i = 0; $i < 50; $i++) {
            DB::table('part_number_final_discounts')->insert([
                'product_number_id' => $faker->numberBetween(1, 50),
                'processing_id' => $faker->numberBetween(1, 50),
                'discount_amount' => $faker->randomFloat(2),
            ]);
        }
        Schema::enableForeignKeyConstraints();
    }
}