NTN 1R40X45X40 40mm I.D Needle Roller Bearing Needle Roller Bearing, 45mm O.D

The NTN Needle Roller Bearing with an internal diameter of 40 mm, a bearing width of 40 mm, and an under roller diameter of 45 mm is designed for applications requiring high radial load capacity in a compact form factor. With a minimum fillet radius of 0.3 mm and an inner ring chamfer length of 2 mm, this bearing ensures smooth operation and ease of installation. The absence of a lubrication hole on the inner ring indicates that it is intended for use in environments where external lubrication is sufficient. Classified under precision class P0, this bearing meets standard tolerances suitable for general-purpose applications.

42 mm Min shoulder diameter IR
0.3 mm Max shaft & housing fillet radius