Super Precision Double Row Cylindrical Roller Bearings with triple-ribbed inner ring

NSK MPN NN3012MBKRE44CC1 P4 Brass Roller Bearings

This is an NSK brand super precision double row cylindrical roller bearing with a triple-ribbed inner ring, MPN NN3012MBKRE44CC1 P4. The super precision rating and triple-ribbed inner ring indicate high accuracy and axial retention. It is typically used in machine tool spindles and other high-precision applications.

Specifications

Inner Ring	Triple-ribbed
Precision	Super
Rows	Double

About roller bearings

Super Precision Double Row Cylindrical Roller Bearings with triple-ribbed inner ring is listed under Roller Bearings — tapered, cylindrical, spherical and needle roller bearings. Roller bearings are non-thrust rolling-element bearings that utilize cylindrical rolling elements to reduce friction and support radial loads. They are categorized primarily by the geometry of their rolling elements: cylindrical, spherical, tapered, and needle.

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