BearingsMiniature Ball Bearings"R" Series - Inch
| Name | Bore | O.D. | Width | Basic Load Rating (lbs) Dynamic/Static | Speed Rating (RPM) Grease/Oil | Price | Qty. | |
|---|
| R2 | 0.1250" | 0.3750" | 0.1562" | 144/50 | 49000/55000 | $1.22 | |
| R3 | 0.1875" | 0.5000" | 0.1562" | 295/110 | 41000/48000 | $1.31 | |
| R4 | 0.2500" | 0.6250" | 0.1960" | 335/139 | 44000/54000 | $1.31 | |
| R4A | 0.2500" | 0.7500" | 0.2188" | 525/200 | 39000/48000 | $1.31 | |
| R6 | 0.3750" | 0.8750" | 0.2188" | 745/315 | 31000/38000 | $1.38 | |
| R8 | 0.5000" | 1.1250" | 0.2500" | 1148/535 | 24000/29000 | $1.54 | |
| R10 | 0.6250" | 1.3750" | 0.2812" | 1347/734 | 18000/22000 | $2.14 | |
| R12 | 0.7500" | 1.6250" | 0.3125" | 1770/1020 | 16000/19000 | $2.35 | |
| R14 | 0.8750" | 1.8750" | 0.3750" | 2270/1220 | 14000/17000 | $2.86 | |
| R16 | 1.0000" | 2.0000" | 0.3750" | 2261/1350 | 13000/16000 | $3.37 | |
| R18 | 1.1250" | 2.1250" | 0.3750" | 2810/1690 | 12000/14000 | $4.49 | |
| R20 | 1.2500" | 2.2500" | 0.3750" | 3150/2090 | 11000/13000 | $5.05 | |
| R22 | 1.3750" | 2.5000" | 0.4375" | 3480/2380 | 10000/12000 | $5.51 | |
| R24 | 1.5000" | 2.6250" | 0.4375" | 3780/2650 | 9000/11000 | $5.97 | |
