313-1.0K/REEL-RC 313-1.0M/REEL-RC 313-1.2K/REEL-RC 313-1.5K/REEL-RC 313-1.8K/REEL-RC 3131+ 31310 31310 (1) 31310 J2/QCL7C 31310 J2/QCL7C SKF