MODEL NUMBERS
Miniature Bearings
6xx series
| Model Number | d/mm | D/mm | B/mm |
| 605 | 5 | 14 | 5 |
| 606 | 6 | 17 | 6 |
| 606-RS | 6 | 17 | 6 |
| 606-2RS | 6 | 17 | 6 |
| 607 | 7 | 19 | 6 |
| 607-Z | 7 | 19 | 6 |
| 607-RZ | 7 | 19 | 6 |
| 607-2RS | 7 | 19 | 6 |
| 607-2RZ | 7 | 19 | 6 |
| 608 | 8 | 22 | 7 |
| 608-Z | 8 | 22 | 7 |
| 608-2Z | 8 | 22 | 7 |
| 608-RS | 8 | 22 | 7 |
| 608-RZ | 8 | 22 | 7 |
| 608-2RS | 8 | 22 | 7 |
| 608-2RZ | 8 | 22 | 7 |
| 608-2RZ/C3LHT | 8 | 22 | 7 |
| 609 | 9 | 24 | 7 |
| 609-Z | 9 | 24 | 7 |
| 609-2Z | 9 | 24 | 7 |
| 609-RS | 9 | 24 | 7 |
| Bearing Number | d/mm | D/mm | B/mm |
| 623 | 3 | 10 | 4 |
| 624 | 4 | 13 | 5 |
| 625 | 5 | 16 | 5 |
| 626 | 6 | 19 | 6 |
| 628 | 8 | 24 | 8 |
| 629 | 9 | 26 | 8 |
| 634 | 4 | 16 | 5 |
| 635 | 5 | 19 | 6 |
| 638 | 9 | 17 | 4 |
MR series
| Bearing Number | d mm | D mm | B mm |
| MR52zz | 2 | 5 | 2 |
| MR62zz | 2 | 6 | 2.5 |
| MR72zz | 2 | 7 | 2.8 |
| MR82X | 2 | 8 | 2.5 |
| MR63zz | 3 | 6 | 2 |
| MR83zz | 3 | 8 | 2.5 |
| MR93zz | 3 | 9 | 2.5 |
| MR74zz | 4 | 7 | 2 |
| MR84zz | 4 | 8 | 2 |
| MR104zz | 4 | 10 | 3 |
| MR85zz | 5 | 8 | 2 |
| MR95zz | 5 | 9 | 2.5 |
| MR105zz | 5 | 10 | 3 |
| MR115zz | 5 | 11 | - |
| MR106zz | 6 | 10 | 2.5 |
| MR126zz | 6 | 12 | 3 |
| MR117zz | 7 | 11 | 2.5 |
| MR137zz | 7 | 13 | 3 |
| MR128zz | 8 | 12 | 2.5 |
| MR148zz | 8 | 14 | 3.5 |
R series
| Bearing Number | d mm | D mm | B mm |
| R1212 2RS | 12.7 | 19.05 | 3.967 |
| R8 2RS | 28.575 | 7.938 | |
| RLS4 2RS | 33.338 | 9.525 | |
| RMS4 2RS | 41.275 | 15.88 | |
| R1458 2RS | 15.875 | 22.225 | 3.967 |
| R10 2RS | 34.925 | 8.733 | |
| RLS5 2RS | 39.688 | 11.11 | |
| RMS5 2RS | 46.038 | 15.88 | |
| R1634 2RS | 19.05 | 25.4 | 3.967 |
| R12 2RS | 41.275 | 11.11 | |
| RLS6 2RS | 47.625 | 14.29 | |
| RMS6 2RS | 50.8 | 17.46 | |
| R14 2RS | 22.225 | 47.625 | 12.7 |
| RLS7 2RS | 50.8 | 14.29 | |
| RMS7 2RS | 57.15 | 17.46 | |
| R16 2RS | 25.4 | 50.8 | 12.7 |
| RLS8 2RS | 57.15 | 15.88 | |
| RMS8 2RS | 63.5 | 19.05 |
| Bearing Number | d | D | B | |||
| steel shields | rubber seals | mm | in | mm | in | mm |
| 12.70 | 0.500 | |||||
| R1212ZZ | R1212 2RS | 19.05 | 3/4" | 3.967 | ||
| R8ZZ | R8 2RS | 28.575 | 1-1/8" | 7.938 | ||
| RLS4ZZ | RLS4 2RS | 33.338 | 1-5/16" | 9.525 | ||
| RMS4ZZ | RMS4 2RS | 41.275 | 1-5/8" | 15.88 | ||
| R1458ZZ | R1458 2RS | 15.875 | 5/8" | 22.225 | 7/8" | 3.967 |
| R10ZZ | R10 2RS | 34.925 | 1-3/8" | 8.733 | ||
| RLS5ZZ | RLS5 2RS | 39.688 | 1-9/16" | 11.11 | ||
| RMS5ZZ | RMS5 2RS | 46.038 | 1-13/16" | 15.88 | ||
| R1634ZZ | R1634 2RS | 19.05 | 3/4" | 25.4 | 1" | 3.967 |
| R12ZZ | R12 2RS | 41.275 | 1-5/8" | 11.11 | ||
| RLS6ZZ | RLS6 2RS | 47.625 | 1-7/8" | 14.29 | ||
| RMS6ZZ | RMS6 2RS | 50.8 | 2" | 17.46 | ||
| R14ZZ | R14 2RS | 22.225 | 7/8" | 47.625 | 1-7/8" | 12.7 |
| RLS7ZZ | RLS7 2RS | 50.8 | 2" | 14.29 | ||
| RMS7ZZ | RMS7 2RS | 57.15 | 2-1/4" | 17.46 | ||
| R16ZZ | R16 2RS | 25.4 | 1" | 50.8 | 2" | 12.7 |
| RLS8ZZ | RLS8 2RS | 57.15 | 2-1/4" | 15.88 | ||
| RMS8ZZ | RMS8 2RS | 63.5 | 2-1/2" | 19.05 | ||
| R18ZZ | R18 2RS | 28.575 | 1-1/8" | 53.975 | 2-1/8" | 12.7 |
| RLS9ZZ | RLS9 2RS | 63.5 | 2-1/2" | 15.88 | ||
| RMS9ZZ | RMS9 2RS | 71.438 | 2-13/16" | 20.64 | ||
| R20ZZ | R20 2RS | 31.75 | 1-1/4" | 57.15 | 2-1/4" | 12.7 |
| RLS10ZZ | RLS10 2RS | 69.85 | 2-3/4" | 17.46 | ||
| RMS10ZZ | RMS10 2RS | 79.375 | 3-1/8" | 22.23 | ||
| R22ZZ | R22 2RS | 34.925 | 1-3/8" | 63.5 | 2-1/2" | 14.29 |
| RLS11ZZ | RLS11 2RS | 76.2 | 3" | 17.46 | ||
| R24ZZ | R24 2RS | 38.1 | 1-1/2" | 66.675 | 2-5/8" | 14.29 |
| RLS12ZZ | RLS12 2RS | 82.55 | 3-1/4" | 19.05 | ||
NMB DDRI series
| NMB Bearing Number | BORE d inch | O.D. D inch | WIDTH B inch |
| DDRI-2 | 0.04 | 0.125 | 0.0469 |
| DDRI-3 | 0.0469 | 0.1562 | 0.0625 |
| DDRI-4 | 0.0781 | 0.25 | 0.0937 |
| DDRI-3332 | 0.0937 | 0.1875 | 0.0625 |
| DDRI-5 | 0.0937 | 0.3125 | 0.1094 |
| DDRI-418 | 0.125 | 0.25 | 0.0937 |
| DDRI-518 | 0.125 | 0.3125 | 0.1094 |
| DDRI-618 | 0.125 | 0.375 | 0.1094 |
| DDR-2 | 0.125 | 0.375 | 0.1562 |
| DDRI-5532 | 0.1562 | 0.3125 | 0.1094 |
| DDRI-5632 | 0.1875 | 0.3125 | 0.1094 |
| DDRI-6632 | 0.1875 | 0.375 | 0.125 |
| DDR-3 | 0.1875 | 0.5 | 0.1562 |
| DDRI-614 | 0.25 | 0.375 | 0.125 |
| DDRI-814 | 0.25 | 0.5 | 0.125 |
| DDR-4 | 0.25 | 0.625 | 0.196 |
| DDRI-1214 | 0.25 | 0.75 | 0.2188 |
| DDRI-8516 | 0.3125 | 0.5 | 0.1562 |
| DDRI-1038 | 0.375 | 0.625 | 0.1562 |
| DDRI-1438 | 0.375 | 0.875 | 0.2188 |
| DDRI-1212 | 0.5 | 0.75 | 0.1562 |
| DDRI-1812 | 0.5 | 1.125 | 0.25 |
| DDRI-1458 | 0.625 | 0.875 | 0.1562 |
| DDRI-1634 | 0.75 | 1 | 0.1562 |
F series
| Bearing Number | Size | |
| F602zz | DDRF-720ZZ | 2×7×2.8mm |
| F603zz | 3x9x5 mm | |
| F604zz | DDRF-1240ZZ | 4x12x4mm |
| F605zz | DDRF-1450ZZ | 5x14x5mm |
| F623zz | DDRF-1030ZZ | 3x10x4 mm |
| F624zz | DDRF-1340ZZ | 4x13x5 mm |
| F625zz | 5x16x5mm | |
| F635zz | 5x19x6mm | |
| F682zz | DDLF-520ZZ | 2x5x2.3 mm |
| F683zz | DDLF-730ZZ | 3x7x3mm |
| F685zz | DDLF-1150ZZ | 5x11x5 mm |
| F686zz | DDLF-1360ZZ | 6x13x5 mm |
| F687zz | DDLF-1470ZZ | 7x14x5 mm |
| F692zz | DDRF-620ZZ | 2x6x3 mm |
| F693zz | DDRF-830ZZ | 3x8x4mm |
| F694zz | DDRF-1140ZZ | 4x11x4mm |
| F695zz | 5x13x4mm | |
| F696zz | DDRF-1560ZZ | 6x15x5mm |
MF series
| Bearing Number | Size | |
| MF52zz | DDLF-520WO2ZZ | 2x5x2.3 mm |
| MF62zz | 2x6x2.5 mm | |
| MF63zz | DDLF-630ZZ | 3x6x2.5 mm |
| MF72zz | DDRF-720Y52ZZ | 2x7x3 mm |
| MF74zz | DDLF-740ZZ | 4x7x2.5 mm |
| MF82ZZ | 2.5x8x2.5mm | |
| MF84zz | DDLF-840ZZ | 4x8x3mm |
| MF85zz | DDLR850ZZ | 5x8x2.5mm |
| MF93zz | DDRF-930Y52ZZ | 3x9x10.2 mm |
| MF95zz | DDLF-950ZZ | 5x9x3mm |
| MF104zz | DDLF-1040ZZ | 4x10x4mm |
| MF105zz | DDLF-1050ZZ | 5x10x4mm |
| MF106zz | DDLF-1060ZZ | 6x10x3 mm |
| MF115zz | 5x11x4mm | |
| MF117zz | DDLF-1170ZZ | 7x11x3 mm |
| MF126zz | DDLF-1260ZZ | 6x12x4 mm |
| MF137zz | DDLF-1370ZZ | 7x13x4 mm |
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