NSK BL 319 ZZ deep groove ball bearing

NSK BL 319 ZZ belongs to deep groove ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for BL 319 ZZ and any equivalents.

The NSK BL ZZ series is a single row deep groove ball bearing fitted with metal shields on both sides. It handles moderate radial and axial loads in equipment that runs at medium and high speeds. Because the shields cover the balls and cage, the bearing suits dusty or humid conditions where the goal is to keep lubricant in and contaminants out. Electric motors, pumps, fans and general power transmission are typical applications.

Reading the designation is straightforward. The BL portion identifies a medium-section deep groove ball bearing series, while ZZ means two metal shields, that is, steel plates fitted over the balls and cage. In the examples BL 205 ZZ, BL 206 ZZ, BL 207 ZZ, BL 208 ZZ, BL 209 ZZ, BL 210 ZZ, BL 211 ZZ and BL 212 ZZ, the middle number changes with size. That middle number is a size code linked to the bore diameter rather than a direct measurement, so the full part number is what identifies the exact bearing.

These bearings appear in electric motors, centrifugal pumps, fans, compressors, conveyor belts and machine tools. They also turn up in food, chemical and textile plant equipment, where metal shielding helps hold lubrication in place and keep particles out. Their capacity for moderate radial and axial loads makes them a versatile choice for power transmission in general.

Selection comes down to the radial and axial load, the rotation speed and the surrounding conditions. ZZ shielding works well in dusty areas and needs less attention than an open bearing, though it is not as tight as a rubber seal. Check shaft and housing alignment, and lubricate as the manufacturer recommends. Fitting the bearing with the correct fit avoids deformation and supports service life.

Equivalents exist across brands. An NSK BL ZZ series deep groove ball bearing can be replaced by a product from another maker with a similar designation, such as SKF, FAG, NTN or KOYO, provided the dimensions and seal type match. If you only have a part number from another brand, or an unidentified part, send it over and we will point out the compatible alternative and quote it.

To get a quote for your NSK BL ZZ series bearing, send the complete part number by WhatsApp. We reply promptly with the quote and help you choose the right option for your equipment. We can also assist with other variants in the BL series or bearings from other brands.