This 1216J bearing is a double row
70 28 CTR DU M P3 Series - Extra Light Bore Size - 140mm 15 Degree Contact Angle Duplex Universal Medium Preload Precision Rating
NUP 311 EC P Two Flanges On Outer Ring
72 28 A5TR DU M P3 Series - Light Bore Size - 140mm 25 Degree Contact Angle Duplex Universal Medium Preload Precision Rating
This 71812CDGA/P4 bearing is a Super Precision angular contact bearing with a 15° contact angle and a high capacity design
NUP312 ECP - SKF Cylindrical Roller Bearing - 60x130x31mm 20x47x15mm This 1216J bearing is aThe NUP312ECP SKF Cylindrical Roller Bearing from SKF is perfectly crafted for precision, durability, and performance. This bearing has two integral flanges on the outer ring, and one integral and one non integral flange on the inner ring. It has an optimized internal design, a roller centred, glass fibre reinforced PA66 cage, and a normal radial internal clearance, providing excellent durability, precision, and overall performance. The NUP312ECP SKF