Xike 638-2RS 638ZZ 638 638-2RSC3 638ZZC3 ตลับลูกปืนเม็ดกลมร่องลึกคุณภาพสูง

XIKE BEARINGS / POWER UNLIMITED TRANSFER / BEGAN IN 1945. Product value ■ Reduce purchase cost and increase service life. ■ Cost-effective and stable performance. Other support ■ More product technical details. ■ More product packaging quantities. ■ Repair kit for multiple bearing types. ■ Total business or application solutions. Product information ■ Main dimensions: ID 8 x OD 28 x Width 9 mm. ■ Precision rating: ABEC-3 or P6. Deep groove ball bearings introduction and suffix letter meaning. Cage Type ■ No suffix / Stamped steel cage. ■ M / Machined brass cage. ■ FB / No cage full of balls. External Design ■ Open / No suffix. ■ 2RS, LLU, DDU / Double rubber seal. ■ ZZ / Double metal seal. ■ N / Snap ring groove in the outer ring. ■ NR / Snap ring groove in the outer ring, with snap ring. ■ R / Flanged outer ring. Interior Design ■ C3 / Radial internal clearance greater than normal - High temperature conditions prevent failure due to thermal expansion. Deep groove ball bearings are particularly versatile. They are suitable for high and very high speeds, accommodate radial and axial loads in both directions and require little maintenance. Because deep groove ball bearings are the most widely used bearing type, they are available from XIKE in many designs, variants and sizes.