Radial Internal Play
C3 Internal Play (Higher than Cn)
Precision
Standard Precision
Lubrication
Standard Lubrication
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Special Treatment
No Special Treatment
Suffix description
MMachined Brass Cage, Located On The Rolling Elements
C3Internal Clearance Larger Than Normal
Product description
The 68/630M C3 NTN is a narrow, single-row deep groove ball bearing with an inner diameter of no less than 630 mm. This bearing has a very high radial load capacity. It can also accommodate limited axial loads in both directions. This open bearing is suitable for heavy industrial applications, typically involving an oil bath or grease chamber. As the machine runs, re-lubrication occurs automatically, ensuring a longer lifespan.
The 68/630M C3 NTN is equipped with a brass cage. It is robust and resistant to shocks, vibrations, and high temperatures. Additionally, brass is softer than steel or cast iron. In the rare event that the bearing seizes, damage to iron machine components, such as gears, is minimised. Narrow deep groove ball bearings with an inner diameter of at least 500 mm are rarely used as the main bearing. They are typically used as an additional support point in heavy drives or shaft suspensions.
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