Miniature Instrument Flanged Ball Bearings
Open Type – INCH
ABEC Tolerance:
Select Lubricant - First 5 are most readly available*
| CATALOG NUMBER | B Bore |
D Outside Dia. |
W Width |
FW Flange Width |
F Flange Dia. |
Land Dia. (Ref.) Li Inner |
Land Dia. (Ref.) Lo Outer |
Load Rating lbf. Dynamic |
Load Rating lbf. Static |
|---|---|---|---|---|---|---|---|---|---|
| RFQ - BB#RIF-21/2XX### | .0469 | .1562 | .0625 | .013 | .203 | .081 | .124 | 12.8 | 4.25 |
| RFQ - BB#RIF-3XXXXX### | .0550 | .1875 | .0781 | .023 | .234 | .093 | .159 | 22.4 | 7.68 |
| RFQ - BB#RIF-4XXXXX### | .0781 | .2500 | .0937 | .023 | .296 | .122 | .193 | 28.0 | 9.68 |
| RFQ - BB#RIF-3332XX### | .0937 | .1875 | .0625 | .018 | .234 | .118 | .161 | 15.2 | 5.20 |
| RFQ - BB#RIF-5XXXXX### | .0937 | .3125 | .1094 | .023 | .359 | .173 | .270 | 48.0 | 17.6 |
| RFQ - BB#RIF-418XXX### | .1250 | .2500 | .0937 | .023 | .296 | .161 | .216 | 26.4 | 9.76 |
| RFQ - BB#RIF-418XXX### | .1250 | .2500 | .0937 | .023 | .296 | .161 | .216 | 26.4 | 9.76 |
| RFQ - BB#RIF-518XXX### | .1250 | .3125 | .1094 | .023 | .359 | .173 | .270 | 48.0 | 17.6 |
| RFQ - BB#RIF-618XXX### | .1250 | .3750 | .1094 | .023 | .422 | .173 | .270 | 48.0 | 17.6 |
| RFQ - BB#RIF-5532XX### | .1562 | .3125 | .1094 | .023 | .359 | .221 | .279 | 36.0 | 13.6 |
| RFQ - BB#RIF-5632XX### | .1875 | .3125 | .1094 | .023 | .359 | .221 | .279 | 36.0 | 13.6 |
| RFQ - BB#RIF-6632XX### | .1875 | .3750 | .1250 | .023 | .422 | .235 | .325 | 60.8 | 24.8 |
| RFQ - BB#RIF-614XXX### | .2500 | .3750 | .1250 | .023 | .422 | .285 | .341 | 34.4 | 16.0 |
| RFQ - BB#RIF-814XXX### | .2500 | .5000 | .1250 | .023 | .547 | .330 | .431 | 70.4 | 32.0 |
| RFQ - BB#RIF-8516XX### | .3125 | .5000 | .1562 | .031 | .547 | .362 | .450 | 74.4 | 34.4 |
Stainless Steel, available from stock. Click the part number for details. Download catalog Page |
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| BBSRIF-21/2XX501 also S9912Y-E0415FS0 (Oil, MIL-PRF-6085) |
.0469 | .1562 | .0625 | .013 | .203 | .081 | .124 | 16 | 5 |
| BBSRIF-21/2XX520 also S9912Y-E0415FS0G (Grease, Beacon 325) |
.0469 | .1562 | .0625 | .013 | .203 | .081 | .124 | 16 | 5 |
| BBSRIF-21/2XX549 also S9912Y-E0415FS0M (Grease, MIL-PRF-23827C) |
.0469 | .1562 | .0625 | .013 | .203 | .081 | .124 | 16 | 5 |
| BBSRIF-3XXXXX501 also S9912Y-E0518FS0 (Oil, MIL-PRF-6085) |
.0550 | .1875 | .0781 | .023 | .234 | .093 | .159 | 26 | 9.5 |
| BBSRIF-3XXXXX520 also S9912Y-E0518FS0G (Grease, Beacon 325) |
.0550 | .1875 | .0781 | .023 | .234 | .093 | .159 | 26 | 9.5 |
| BBSRIF-3XXXXX549 also S9912Y-E0518FS0M (Grease, MIL-PRF-23827C) |
.0550 | .1875 | .0781 | .023 | .234 | .093 | .159 | 26 | 9.5 |
| BBSRIF-4XXXXX501 also S9912Y-E0725FS0 (Oil, MIL-PRF-6085) |
.0781 | .2500 | .0937 | .023 | .296 | .122 | .193 | 35 | 13 |
| BBSRIF-4XXXXX520 also S9912Y-E0725FS0G (Grease, Beacon 325) |
.0781 | .2500 | .0937 | .023 | .296 | .122 | .193 | 35 | 13 |
| BBSRIF-4XXXXX549 also S9912Y-E0725FS0M (Grease, MIL-PRF-23827C) |
.0781 | .2500 | .0937 | .023 | .296 | .122 | .193 | 35 | 13 |
| BBSRIF-3332XX501 also S9912Y-E0918FS0 (Oil, MIL-PRF-6085) |
.0937 | .1875 | .0625 | .018 | .234 | .118 | .161 | 21 | 7.5 |
| BBSRIF-3332XX520 also S9912Y-E0918FS0G (Grease, Beacon 325) |
.0937 | .1875 | .0625 | .018 | .234 | .118 | .161 | 21 | 7.5 |
| BBSRIF-3332XX549 also S9912Y-E0918FS0M (Grease, MIL-PRF-23827C) |
.0937 | .1875 | .0625 | .018 | .234 | .118 | .161 | 21 | 7.5 |
| BBSRIF-5XXXXX501 also S9912Y-E0931FS0 (Oil, MIL-PRF-6085) |
.0937 | .3125 | .1094 | .023 | .359 | .173 | .270 | 62 | 24 |
| BBSRIF-5XXXXX520 also S9912Y-E0931FS0G (Grease, Beacon 325) |
.0937 | .3125 | .1094 | .023 | .359 | .173 | .270 | 62 | 24 |
| BBSRIF-5XXXXX549 also S9912Y-E0931FS0M (Grease, MIL-PRF-23827C) |
.0937 | .3125 | .1094 | .023 | .359 | .173 | .270 | 62 | 24 |
| BBSRIF-418XXX501 also S9912Y-E1225FS0 (Oil, MIL-PRF-6085) |
.1250 | .2500 | .0937 | .023 | .296 | .161 | .216 | 35 | 13 |
| BBSRIF-418XXX520 also S9912Y-E1225FS0G (Grease, Grease 325) |
.1250 | .2500 | .0937 | .023 | .296 | .161 | .216 | 35 | 13 |
| BBSRIF-418XXX549 also S9912Y-E1225FS0M (Grease, MIL-PRF-23827C) |
.1250 | .2500 | .0937 | .023 | .296 | .161 | .216 | 35 | 13 |
| BBSRIF-518XXX501 also S9912Y-E1231FS0 (Oil, MIL-PRF-6085) |
.1250 | .3125 | .1094 | .023 | .359 | .173 | .270 | 63 | 24 |
| BBSRIF-518XXX520 also S9912Y-E1231FS0G (Grease, Beacon 325) |
.1250 | .3125 | .1094 | .023 | .359 | .173 | .270 | 63 | 24 |
| BBSRIF-518XXX549 also S9912Y-E1231FS0M (Grease, MIL-PRF-23827C) |
.1250 | .3125 | .1094 | .023 | .359 | .173 | .270 | 63 | 24 |
| BBSRIF-618XXX501 also S9912Y-E1237FS0 (Oil, MIL-PRF-6085) |
.1250 | .3750 | .1094 | .023 | .422 | .173 | .270 | 73 | 29 |
| BBSRIF-618XXX520 also S9912Y-E1237FS0G (Grease, Beacon 325) |
.1250 | .3750 | .1094 | .023 | .422 | .173 | .270 | 73 | 29 |
| BBSRIF-618XXX549 also S9912Y-E1237FS0M (Grease, MIL-PRF-23827C) |
.1250 | .3750 | .1094 | .023 | .422 | .173 | .270 | 73 | 29 |
| S9912Y-E1238FS0 (Oil, MIL-PRF-6085) |
.1250 | .3750 | .1562 | .030 | .440 | .200 | .300 | 73 | 29 |
| BBSRIF-5532XX501 also S9912Y-E1531FS0 (Oil, MIL-PRF-6085) |
.1562 | .3125 | .1094 | .023 | .359 | .221 | .279 | 41 | 17 |
| BBSRIF-5532XX520 also S9912Y-E1531FS0G (Grease, Beacon 325) |
.1562 | .3125 | .1094 | .023 | .359 | .221 | .279 | 41 | 17 |
| BBSRIF-5532XX549 also S9912Y-E1531FS0M (Grease, MIL-PRF-23827C) |
.1562 | .3125 | .1094 | .023 | .359 | .221 | .279 | 41 | 17 |
| BBSRIF-5632XX501 also S9912Y-E1831FS0 (Oil, MIL-PRF-6085) |
.1875 | .3125 | .1094 | .023 | .359 | .221 | .279 | 41 | 17 |
| BBSRIF-5632XX520 also S9912Y-E1831FS0G (Grease, Beacon 325) |
.1875 | .3125 | .1094 | .023 | .359 | .221 | .279 | 41 | 17 |
| BBSRIF-5632XX549 also S9912Y-E1831FS0M (Grease, MIL-PRF-23827C) |
.1875 | .3125 | .1094 | .023 | .359 | .221 | .279 | 41 | 17 |
| BBSRIF-6632XX501 also S9912Y-E1837FS0 (Oil, MIL-PRF-6085) |
.1875 | .3750 | .1250 | .023 | .422 | .235 | .325 | 81 | 34 |
| BBSRIF-6632XX520 also S9912Y-E1837FS0G (Grease, Beacon 325) |
.1875 | .3750 | .1250 | .023 | .422 | .235 | .325 | 81 | 34 |
| BBSRIF-6632XX549 also S9912Y-E1837FS0M (Grease, MIL-PRF-23827C) |
.1875 | .3750 | .1250 | .023 | .422 | .235 | .325 | 81 | 34 |
| S9912Y-E1850FS0 (Oil, MIL-PRF-6085) |
.1875 | .5000 | .1562 | .042 | .565 | .276 | .412 | 149 | 65 |
| S9912Y-E1850FS0G (Grease, Beacon 325) |
.1875 | .5000 | .1562 | .042 | .565 | .276 | .412 | 149 | 65 |
| S9912Y-E1850FS0M (Grease, MIL-PRF-23827C) |
.1875 | .5000 | .1562 | .042 | .565 | .276 | .412 | 149 | 65 |
| BBSRIF-614XXX501 also S9912Y-E2537FS0 (Oil, MIL-PRF-6085) |
.2500 | .3750 | .1250 | .023 | .422 | .285 | .341 | 43 | 20 |
| BBSRIF-614XXX520 also S9912Y-E2537FS0G (Grease, Beacon 325) |
.2500 | .3750 | .1250 | .023 | .422 | .285 | .341 | 43 | 20 |
| BBSRIF-614XXX549 also S9912Y-E2537fS0M (Grease, MIL-PRF-23827C) |
.2500 | .3750 | .1250 | .023 | .422 | .285 | .341 | 43 | 20 |
| BBSRIF-814XXX501 also S9912Y-E2550FS0 (Oil, MIL-PRF-6085) |
.2500 | .5000 | .1250 | .023 | .547 | .330 | .431 | 123 | 54 |
| BBSRIF-814XXX520 also S9912Y-E2550FS0G (Grease, Beacon 325) |
.2500 | .5000 | .1250 | .023 | .547 | .330 | .431 | 123 | 54 |
| BBSRIF-814XXX549 also S9912Y-E2550FS0M (Grease, MIL-PRF-23827C) |
.2500 | .5000 | .1250 | .023 | .547 | .330 | .431 | 123 | 54 |
| S9912Y-E2562FS0G (Grease, Beacon 325) |
.2500 | .5000 | .1250 | .023 | .547 | .330 | .431 | 123 | 54 |
| BBSRIF-8516XX501 also S9912Y-E3150FS0 (Oil, MIL-PRF-6085) |
.3125 | .5000 | .1562 | .031 | .547 | .362 | .450 | 62 | 31 |
| BBSRIF-8516XX520 also S9912Y-E3150FS0G (Grease, Beacon 325) |
.3125 | .5000 | .1562 | .031 | .547 | .362 | .450 | 62 | 31 |
| BBSRIF-8516XX549 also S9912Y-E3150FS0M (Grease, MIL-PRF-23827C) |
.3125 | .5000 | .1562 | .031 | .547 | .362 | .450 | 62 | 31 |
| S9912Y-E3787FS0 (Oil, MIL-PRF-6085) |
.3750 | .8750 | .2812 | .062 | .969 | .521 | .783 | 569 | 273 |
| S9912Y-E3787FS0G (Grease, Beacon 325) |
.3750 | .8750 | .2812 | .062 | .969 | .521 | .741 | 569 | 273 |
Open Type
Open Type
Open Type
Shielded Type
Tappered O.D.