NTN Self-Aligning Ball Bearing - Straight Bore, 1315 Type_23^Single-Row  N-Type so it is suitable for

so it is suitable for drilling holes in wood

For Non-Interchangeable Cylindrical Roller Bearings

Reference Mechanical Grease Oil NJ315W 75 160 37 2

Orbit diameter (mm): 3

lightweight tool designed to cut hub 1½" (40 mm) to 6" (150 mm) and hubless soil pipe in tight quarters

NTN Self-Aligning Ball Bearing - Straight Bore, 1315 Type_23^Single-Row  N-Type so it is suitable forItem # d D B r Static Load Rating Dynamic Load Rating 1301 0. 4724 in 12. 000 mm 1. 4567 in 37. 000 mm 0. 4724 in 12. 000 mm 0. 0394 in 1. 000 mm 365 lbf 1620 N 1. 62 kN 1650 lbf 7350 N 7. 35 kN 1302 0. 5906 in 15. 000 mm 1. 6535 in 42. 000 mm 0. 5118 in 13. 000 mm 0. 0394 in 1. 000 mm 515 lbf 2290 N 2. 29 kN 2180 lbf 9700 N 9. 70 kN 1303 0. 6693 in 17. 000 mm 1. 8504 in 47. 000 mm 0. 5512 in 14. 000 mm 0. 0394 in 1. 000 mm 720 lbf 3200 N 3. 20 kN