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Spot bearing model table, Model substitution Cross-reference Brand model reference Model substitution Substitute Bearing interchange Bearing brand replacement Model replace
| MER-1904 | 20 | 0.7874 | 37 |
| MER-104 | 20 | 0.7874 | 42 |
| MER-204 | 20 | 0.7874 | 47 |
| MER-304 | 20 | 0.7874 | 52 |
| MER-1805 | 25 | 0.9843 | 37 |
| MER-1905 | 25 | 0.9843 | 42 |
| MER-105 | 25 | 0.9843 | 47 |
| MER-205 | 25 | 0.9843 | 52 |
| MER-305 | 25 | 0.9843 | 62 |
| MER-1806 | 30 | 1.1811 | 42 |
| MER-1906 | 30 | 1.1811 | 47 |
| MER-106 | 30 | 1.1811 | 55 |
| MER-206 | 30 | 1.1811 | 62 |
| MER-306 | 30 | 1.1811 | 72 |
| MER-1807 | 35 | 1.3780 | 47 |
| MER-1907 | 35 | 1.3780 | 55 |
| MER-107 | 35 | 1.3780 | 62 |
| MER-207 | 35 | 1.3780 | 72 |
| MER-307 | 35 | 1.3780 | 80 |
| MER-1808 | 40 | 1.5748 | 52 |
| MER-1908 | 40 | 1.5748 | 62 |
| MER-108 | 40 | 1.5748 | 68 |
| MER-208 | 40 | 1.5748 | 80 |
| MER-308 | 40 | 1.5748 | 90 |
| MER-1809 | 45 | 1.7717 | 58 |
| MER-1909 | 45 | 1.7717 | 68 |
| MER-109 | 45 | 1.7717 | 75 |
| MER-209 | 45 | 1.7717 | 85 |
| MER-309 | 45 | 1.7717 | 100 |
| MER-1810 | 50 | 1.9685 | 65 |
| MER-1910 | 50 | 1.9685 | 72 |
| MER-110 | 50 | 1.9685 | 80 |
| MER-210 | 50 | 1.9685 | 90 |
| MER-310 | 50 | 1.9685 | 110 |
| MER-1811 | 55 | 2.1654 | 72 |
| MER-1911 | 55 | 2.1654 | 80 |
| MER-111 | 55 | 2.1654 | 90 |
| MER-211 | 55 | 2.1654 | 100 |
| MER-311 | 55 | 2.1654 | 120 |
| MER-1812 | 60 | 2.3622 | 78 |
| MER-1912 | 60 | 2.3622 | 85 |
| MER-112 | 60 | 2.3622 | 95 |
| MER-212 | 60 | 2.3622 | 110 |
| MER-312 | 60 | 2.3622 | 130 |
| MER-1813 | 65 | 2.5591 | 85 |
| MER-1913 | 65 | 2.5591 | 90 |
| MER-113 | 65 | 2.5591 | 100 |
| MER-213 | 65 | 2.5591 | 120 |
| MER-313 | 65 | 2.5591 | 140 |
| MER-1814 | 70 | 2.7559 | 90 |
| MER-1914 | 70 | 2.7559 | 100 |
| MER-114 | 70 | 2.7559 | 110 |
| MER-214 | 70 | 2.7559 | 125 |
| MER-314 | 70 | 2.7559 | 150 |
| MER-1815 | 75 | 2.9528 | 95 |
| MER-1915 | 75 | 2.9528 | 105 |
| MER-115 | 75 | 2.9528 | 115 |
| MER-215 | 75 | 2.9528 | 130 |
| MER-315 | 75 | 2.9528 | 160 |
| MER-1816 | 80 | 3.1496 | 100 |
| MER-1916 | 80 | 3.1496 | 110 |
| MER-116 | 80 | 3.1496 | 125 |
| MER-216 | 80 | 3.1496 | 140 |
| MER-316 | 80 | 3.1496 | 170 |
| MER-1817 | 85 | 3.3465 | 110 |
| MER-1917 | 85 | 3.3465 | 120 |
| MER-117 | 85 | 3.3465 | 130 |
| MER-217 | 85 | 3.3465 | 150 |
| MER-317 | 85 | 3.3465 | 180 |
| MER-1818 | 90 | 3.5433 | 115 |
| MER-1918 | 90 | 3.5433 | 125 |
| MER-118 | 90 | 3.5433 | 140 |
| MER-218 | 90 | 3.5433 | 160 |
| MER-318 | 90 | 3.5433 | 190 |
| MER-1819 | 95 | 3.7402 | 120 |
| MER-1919 | 95 | 3.7402 | 130 |
| MER-119 | 95 | 3.7402 | 145 |
| MER-219 | 95 | 3.7402 | 170 |
| MER-319 | 95 | 3.7402 | 200 |
| MER-1820 | 100 | 3.9370 | 125 |
| MER-1920 | 100 | 3.9370 | 140 |
| MER-120 | 100 | 3.9370 | 150 |
| MER-220 | 100 | 3.9370 | 180 |
| MER-1821 | 105 | 4.1339 | 130 |
| MER-1921 | 105 | 4.1339 | 145 |
| MER-121 | 105 | 4.1339 | 160 |
| MER-221 | 105 | 4.1339 | 190 |
| MER-1822 | 110 | 4.3307 | 140 |
| MER-1922 | 110 | 4.3307 | 150 |
| MER-122 | 110 | 4.3307 | 170 |
| MER-222 | 110 | 4.3307 | 200 |
| MER-1824 | 120 | 4.7244 | 150 |
| MER-1924 | 120 | 4.7244 | 165 |
| MER-124 | 120 | 4.7244 | 180 |
| MER-224 | 120 | 4.7244 | 215 |
| MER-1826 | 130 | 5.1181 | 165 |
| MER-1926 | 130 | 5.1181 | 180 |
| MER-126 | 130 | 5.1181 | 200 |
| MER-226 | 130 | 5.1181 | 230 |
| MER-1828 | 140 | 5.5118 | 175 |
| MER-1928 | 140 | 5.5118 | 190 |
| MER-128 | 140 | 5.5118 | 210 |
| MER-228 | 140 | 5.5118 | 250 |
| MER-1830 | 150 | 5.9055 | 190 |
| MER-1930 | 150 | 5.9055 | 210 |
| MER-130 | 150 | 5.9055 | 225 |
| MER-1832 | 160 | 6.2992 | 200 |
| MER-1932 | 160 | 6.2992 | 220 |
| MER-132 | 160 | 6.2992 | 240 |
| MER-1834 | 170 | 6.6929 | 215 |
| MER-1934 | 170 | 6.6929 | 230 |
| MER-134 | 170 | 6.6929 | 260 |
| MER-1836 | 180 | 7.0866 | 225 |
| MER-1936 | 180 | 7.0866 | 250 |
| MER-136 | 180 | 7.0866 | 280 |
| MER-1838 | 190 | 7.4803 | 240 |
| MER-1938 | 190 | 7.4803 | 260 |
| MER-138 | 190 | 7.4803 | 290 |
| MER-1840 | 200 | 7.8740 | 250 |
| MER-1940 | 200 | 7.8740 | 280 |
| Ball Bearings | |||
| Inch Series | |||
| Radial | |||
| RI-1812 | 0.5000 | 12.700 | 1.1250 |
| RI-2258 | 0.6250 | 15.875 | 1.3750 |
| RI-2634 | 0.7500 | 19.050 | 1.6250 |
| RI-3078 | 0.8750 | 22.225 | 1.8750 |
| RI-3216 | 1.0000 | 25.400 | 2.0000 |
| RI-3418 | 1.1250 | 28.575 | 2.1250 |
| RI-3620 | 1.2500 | 31.750 | 2.2500 |
| RI-4224 | 1.5000 | 38.100 | 2.6250 |
| Ball Bearings | |||
| Inch Series | |||
| Torque Tube – Radial | |||
| RI-538 | 0.6250 | 15.875 | 1.0625 |
| RI-539 | 0.7500 | 19.050 | 1.1875 |
| RI-540 | 0.8750 | 22.225 | 1.3125 |
| RI-541 | 1.0625 | 26.988 | 1.5000 |
| RI-542 | 1.3125 | 33.338 | 1.7500 |
| RI-543 | 1.5625 | 39.688 | 2.0000 |
| RI-544 | 1.8125 | 46.038 | 2.2500 |
| RI-545 | 2.0625 | 52.388 | 2.6250 |
| RI-546 | 2.3125 | 58.738 | 2.8750 |
| RI-547 | 2.5625 | 65.088 | 3.2500 |
| RI-548 | 2.8125 | 71.438 | 3.5000 |
| RI-549 | 3.0625 | 77.788 | 3.8750 |
| Ball Bearings | |||
| Inch Series | |||
| Torque Tube – Angular Contact | |||
| MERI-538 | 0.6250 | 15.875 | 1.0625 |
| MERI-539 | 0.7500 | 19.050 | 1.1875 |
| MERI-540 | 0.8750 | 22.225 | 1.3125 |
| MERI-541 | 1.0625 | 26.988 | 1.5000 |
| MERI-542 | 1.3125 | 33.338 | 1.7500 |
| MERI-543 | 1.5625 | 39.688 | 2.0000 |
| MERI-544 | 1.8125 | 46.038 | 2.2500 |
| MERI-545 | 2.0625 | 52.388 | 2.6250 |
| MERI-546 | 2.3125 | 58.738 | 2.8750 |
| MERI-547 | 2.5625 | 65.088 | 3.2500 |
| MERI-548 | 2.8125 | 71.438 | 3.5000 |
| MERI-549 | 3.0625 | 77.788 | 3.8750 |
| Ball Bearings | |||
| Inch Series | |||
| Thin Section – Radial and Gothic Arch | |||
| 1/8 | RI-1878 | 0.8750 | 1.1250 |
| 1/8 | RI-2117 | 1.0625 | 1.3125 |
| 1/8 | RI-2420 | 1.2500 | 1.5000 |
| 1/8 | RI-2622 | 1.3750 | 1.6250 |
| 1/8 | RI-2824 | 1.5000 | 1.7500 |
| 1/8 | RI-3026 | 1.6250 | 1.8750 |
| 1/4 | RI-4032 | 2.0000 | 2.5000 |
| 5/16 | RI-4232 | 2.0000 | 2.6250 |
| 1/4 | RI-4840 | 2.5000 | 3.0000 |
| 5/16 | RI-5040 | 2.5000 | 3.1250 |
| 1/4 | RI-5648 | 3.0000 | 3.5000 |
| 5/16 | RI-5848 | 3.0000 | 3.6250 |
| 3/8 | RI-6048 | 3.0000 | 3.7500 |
| 1/4 | RI-6052 | 3.2500 | 3.7500 |
| 5/16 | RI-6252 | 3.2500 | 3.8750 |
| 3/8 | RI-6452 | 3.2500 | 4.0000 |
| 1/4 | RI-6456 | 3.5000 | 4.0000 |
| 5/16 | RI-6656 | 3.5000 | 4.1250 |
| 3/8 | RI-6856 | 3.5000 | 4.2500 |
| 1/4 | RI-6860 | 3.7500 | 4.2500 |
| 5/16 | RI-7060 | 3.7500 | 4.3750 |
| 3/8 | RI-7260 | 3.7500 | 4.5000 |
| 1/4 | RI-7264 | 4.0000 | 4.5000 |
| 5/16 | RI-7464 | 4.0000 | 4.6250 |
| 3/8 | RI-7664 | 4.0000 | 4.7500 |
| 1/2 | RI-8064 | 4.0000 | 5.0000 |
| 1/4 | RI-7668 | 4.2500 | 4.7500 |
| 5/16 | RI-7868 | 4.2500 | 4.8750 |
| 3/8 | RI-8068 | 4.2500 | 5.0000 |
| 1/2 | RI-8468 | 4.2500 | 5.2500 |
| 1/4 | RI-8072 | 4.5000 | 5.0000 |
| 5/16 | RI-8272 | 4.5000 | 5.1250 |
| 3/8 | RI-8472 | 4.5000 | 5.2500 |
| 1/2 | RI-8872 | 4.5000 | 5.5000 |
| 1/4 | RI-8476 | 4.7500 | 5.2500 |
| 5/16 | RI-8676 | 4.7500 | 5.3750 |
| 3/8 | RI-8876 | 4.7500 | 5.5000 |
| 1/2 | RI-9276 | 4.7500 | 5.7500 |
| 1/4 | RI-8880 | 5.0000 | 5.5000 |
| 5/16 | RI-9080 | 5.0000 | 5.6250 |
| 3/8 | RI-9280 | 5.0000 | 5.7500 |
| 1/2 | RI-9680 | 5.0000 | 6.0000 |
| 5/16 | RI-9888 | 5.5000 | 6.1250 |
| 3/8 | RI-10088 | 5.5000 | 6.2500 |
| 1/2 | RI-10488 | 5.5000 | 6.5000 |
| 5/16 | RI-10696 | 6.0000 | 6.6250 |
| 3/8 | RI-10896 | 6.0000 | 6.7500 |
| 1/2 | RI-11296 | 6.0000 | 7.0000 |
| 5/16 | RI-114104 | 6.5000 | 7.1250 |
| 3/8 | RI-116104 | 6.5000 | 7.2500 |
| 1/2 | RI-120104 | 6.5000 | 7.5000 |
| 3/8 | RI-124112 | 7.0000 | 7.7500 |
| 1/2 | RI-128112 | 7.0000 | 8.0000 |
| 3/8 | RI-132120 | 7.5000 | 8.2500 |
| 1/2 | RI-136120 | 7.5000 | 8.5000 |
| 3/8 | RI-140128 | 8.0000 | 8.7500 |
| 1/2 | RI-144128 | 8.0000 | 9.0000 |
| 1/2 | RI-152136 | 8.5000 | 9.5000 |
| 1/2 | RI-160144 | 9.0000 | 10.0000 |
| 1/2 | RI-168152 | 9.5000 | 10.5000 |
| 1/2 | RI-176160 | 10.0000 | 11.0000 |
| Ball Bearings | |||
| Inch Series | |||
| Thin Section – Angular Contact | |||
| 1/8 | MERI-1878 | 0.8750 | 1.1250 |
| 1/8 | MERI-2117 | 1.0625 | 1.3125 |
| 1/8 | MERI-2420 | 1.2500 | 1.5000 |
| 1/8 | MERI-2622 | 1.3750 | 1.6250 |
| 1/8 | MERI-2824 | 1.5000 | 1.7500 |
| 1/8 | MERI-3026 | 1.6250 | 1.8750 |
| 1/4 | MERI-4032 | 2.0000 | 2.5000 |
| 5/16 | MERI-4232 | 2.0000 | 2.6250 |
| 1/4 | MERI-4840 | 2.5000 | 3.0000 |
| 5/16 | MERI-5040 | 2.5000 | 3.1250 |
| 1/4 | MERI-5648 | 3.0000 | 3.5000 |
| 5/16 | MERI-5848 | 3.0000 | 3.6250 |
| 3/8 | MERI-6048 | 3.0000 | 3.7500 |
| 1/4 | MERI-6052 | 3.2500 | 3.7500 |
| 5/16 | MERI-6252 | 3.2500 | 3.8750 |
| 3/8 | MERI-6452 | 3.2500 | 4.0000 |
| 1/4 | MERI-6456 | 3.5000 | 4.0000 |
| 5/16 | MERI-6656 | 3.5000 | 4.1250 |
| 3/8 | MERI-6856 | 3.5000 | 4.2500 |
| 1/4 | MERI-6860 | 3.7500 | 4.2500 |
| 5/16 | MERI-7060 | 3.7500 | 4.3750 |
| 3/8 | MERI-7260 | 3.7500 | 4.5000 |
| 1/4 | MERI-7264 | 4.0000 | 4.5000 |
| 5/16 | MERI-7464 | 4.0000 | 4.6250 |
| 3/8 | MERI-7664 | 4.0000 | 4.7500 |
| 1/2 | MERI-8064 | 4.0000 | 5.0000 |
| 1/4 | MERI-7668 | 4.2500 | 4.7500 |
| 5/16 | MERI-7868 | 4.2500 | 4.8750 |
| 3/8 | MERI-8068 | 4.2500 | 5.0000 |
| 1/2 | MERI-8468 | 4.2500 | 5.2500 |
| 1/4 | MERI-8072 | 4.5000 | 5.0000 |
| 5/16 | MERI-8272 | 4.5000 | 5.1250 |
| 3/8 | MERI-8472 | 4.5000 | 5.2500 |
| 1/2 | MERI-8872 | 4.5000 | 5.5000 |
| 1/4 | MERI-8476 | 4.7500 | 5.2500 |
| 5/16 | MERI-8676 | 4.7500 | 5.3750 |
| 3/8 | MERI-8876 | 4.7500 | 5.5000 |
| 1/2 | MERI-9276 | 4.7500 | 5.7500 |
| 1/4 | MERI-8880 | 5.0000 | 5.5000 |
| 5/16 | MERI-9080 | 5.0000 | 5.6250 |
| 3/8 | MERI-9280 | 5.0000 | 5.7500 |
| 1/2 | MERI-9680 | 5.0000 | 6.0000 |
| 5/16 | MERI-9888 | 5.5000 | 6.1250 |
| 3/8 | MERI-10088 | 5.5000 | 6.2500 |
| 1/2 | MERI-10488 | 5.5000 | 6.5000 |
| 5/16 | MERI-10696 | 6.0000 | 6.6250 |
| 3/8 | MERI-10896 | 6.0000 | 6.7500 |
| 1/2 | MERI-11296 | 6.0000 | 7.0000 |
| 5/16 | MERI-114104 | 6.5000 | 7.1250 |
| 3/8 | MERI-116104 | 6.5000 | 7.2500 |
| 1/2 | MERI-120104 | 6.5000 | 7.5000 |
| 3/8 | MERI-124112 | 7.0000 | 7.7500 |
| 1/2 | MERI-128112 | 7.0000 | 8.0000 |
| 3/8 | MERI-132120 | 7.5000 | 8.2500 |
| 1/2 | MERI-136120 | 7.5000 | 8.5000 |
| 3/8 | MERI-140128 | 8.0000 | 8.7500 |
| 1/2 | MERI-144128 | 8.0000 | 9.0000 |
| 1/2 | MERI-152136 | 8.5000 | 9.5000 |
| 1/2 | MERI-160144 | 9.0000 | 10.0000 |
| 1/2 | MERI-168152 | 9.5000 | 10.5000 |
| 1/2 | MERI-176160 | 10.0000 | 11.0000 |
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