Ložiskové jednotky NTN-SNR

The advantages of SNR grey cast iron ball bearing units Grey cast iron ball bearing units SNR Ball Bearing Units Design SNR Industry 10 • Corrosion protection by passivated and painted surfaces • Relubricatable • Self-aligning • Series 300 in addition for heavy loads • Comprehensive standard range of units SNR bearing units are available as pillow block-, flanged-, take-up-, cartridge or hanger unit. These offer varying options for fixing, such as through bores or tapped bores. All SNR grey cast iron bearing units have tapped bores for the mounting of lubricating nipples. Delivery condition SNR grey cast iron bearing units are supplied pre-assembled. The fitted insert is lubricated for life (for further information, refer to the section “Lubrication and maintenance” starting on page 34). The tapped bore for mounting of the lubricating nipple is closed with a plastic plug. The appropriate lubricating nipple is separately attached to the unit. Misalignment SNR grey cast iron bearing units are self-aligning, due to their spherically-designed bearing seat. The mounted insert allows an angular movement in all directions. That is why shaft misalignment is compensated up to a certain degree. This self- alignment should only be necessary once, and must not occur permanently in operation. if bearing unit should be relubricated α = ± 2 ° if bearing unit should not be relubricated α = ± 5 ° bearing units with protective caps α = ± 1 °