Consolidated Dimensions Approx. Interchange
No. (Metric) Wgt.
(lbs.)
(Old No.) d D B ADR ISC Nachi NMB NTN RMB SKF
681 AX-1 1 3 1 .0001 AX-1 681 - L-310 681 UL103 AX-1
MR-31X - 1 3 1.5 .0001 - MR31 - L-310W51 - - -
691 - 1 4 1.6 .0001 - 691 - - 691 - -
MR-41/1.2 - 1.2 4 1.8 .0001 - MR41X - R-412 BC1.2-4 - -
68/1.5 AX-1.5 1.5 4 1.2 .0001 AX-1.5 681X 015M04 L-415 68/1.5 UL154 AX-1.5
X-1.5 - 1.5 5 1.7 .0004 X-1.5 - - - - - X-1.5
69/1.5 - 1.5 5 2 .0004 619/1.5 691X 015M05 R-515 69/1.5 R1550 619/1.5
60/1.5 - 1.5 6 2.5 .0005 - 601X 015M06 R-615 60/1.5 - -
672 - 2 4 1.2 .0002 - - - - 672 - -
682 BX-2 2 5 1.5 .0002 BX-2 682 682 L-520 682 UL205 BX-2
MR-52X - 2 5 2 .0004 - MR52 2M05 L-520W02 BC2-5 - -
692 AX-2 2 6 2.3 .0006 AX-2 692 692 R-620 692 R2060 AX-2
MR-62 - 2 6 2.5 .0006 - MR62 2M06 R-620W52 BC2-6 - -
MR-72X - 2 7 2.5 .0008 - MR72 2M07 R-720Y52 BC2-7 - -
602 - 2 7 2.8 .0008 - 602 602 R-720 602 - -
67/2.5 - 2.5 5 1.5 .0004 - - - - 67/2.5 -
68/2.5 AX-2.5 2.5 6 1.8 .0005 AX-2.5 682X 68/2.5 L-625 68/2.5 UL256 AX-2.5
69/2.5 X-2.5 2.5 7 2.5 .0011 X-2.5 692X 69/2.5 R-725 69/2.5 R2570 X-2.5
MR-82/2.5 - 2.5 8 2.5 .0011 - MR82X 025M08 R-825Y52 BC2.5-8 - -
60/2.5 - 2.5 8 2.8 .0011 - 602X 60/2.5 R-825 60/2.5 R2580 -
673 MR-63 3 6 2 .0006 - MR63 3M06 L-630 673 - -
683 AX-3 3 7 2 .0008 AX-3 - 683 L-730 683 UL307 AX-3
638/3 - 3 7 3 .0008 - - - - - - -
MR-83 X-3 3 8 2.5 .0020 X3 MR83 3M08 R-830Y52 BC3-8 - X3
693 619/3 3 8 3 .0020 619/3 693 693 R-830 693 - 619/3
639/3 - 3 8 4 .0020 - - - - - - -
MR-93 - 3 9 2.5 .0020 - MR93 3M09 R-930Y52 BC3-9 - -
603 - 3 9 3 .0030 - 603 603 R-930 603 - -
623 EL-3 3 10 4 .0040 623 623 623 R-1030 623 R3100 623
633 - 3 13 5 .0060 - 633 633 - 633 - -
674 MR-74 4 7 2 .0010 - MR74 4M07 L-740 674 - -
MR-84 - 4 8 2 .0020 - MR84 4M08 L-840 BC4-8 - -
684 618/4 4 9 2.5 .0020 AX-4 684 684 618/4 684 UL409 618/4
638/4 - 4 9 4 .0030 - - - - - - -
MR-104 X-4 4 10 3 .0020 X4 MR104 4M10 L-1040 BC4-10 - X4
694 619/4 4 11 4 .0037 AY4 694 694 R-1140 694 R4110(X) 619/4
604 - 4 12 4 .0037 604 604 604 R-1240 604 - 604
624 EL-4 4 13 5 .0070 624 624 624 R-1340 624 R4130 624
634 R-4 4 16 5 .0120 634 634 634 R-1640 634 R4160 634
675 - 5 8 2 .0025 - MR85 5M08 L-850 675 -
