
Needle Roller Bearing Rna 49/28 for Auto Parts Automotive. High Precision Grade: Precision grade class G2 with 2 um mutual difference in needle roller diameter. Durable Material: Made of GCr15 bearing steel with quench-hardening HRC60-65 for rings and rollers. Wide Application Range: Suitable for automobiles, machine tools, lathes, metallurgy, textile, and printing industries. Compact Structure: Features small section height, big load capacity, rigidity, and compact design. Customizable Design: Multiple structural styles available, including narrow/broad series and with/without cages. OEM Service Support: Full OEM customization services available for specific structural requirements. Fast Delivery: Delivery time is 1-3 days for stock items and 15-20 days for non-stock items. ISO9001 Certified: Product quality certified under ISO9001:2008 standards.