B138 KOYO 20.638×26.988×12.7mm Width 12.7mm Needle roller bearings
| Bearing number | B138 |
| Size (mm) | 20.638×26.988×12.7 |
| Brand | KOYO |
| Bore Diameter (mm) | 20.638 |
| Outer Diameter (mm) | 26.988 |
| Width (mm) | 12.7 |
| Fw | 20.638 mm |
| D | 26.988 mm |
| C | 12.7 mm |
| Weight | 0.017 Kg |
| Basic dynamic load rating (C) | 12.7 kN |
| Basic static load rating (C0) | 23.6 kN |
Detailed Parameters
parameter：
| M-16121 Needle roller bearings | Bore Diameter :25.4mm ，Brand:NSK ，Size :25.4x31.75x19.05mm ，Outer Diameter :31.75mm ，Width :19.05mm |
| RNUP1123V Cylindrical roller bearings | Outer Diameter :130.000mm ，d:55.000 mm ，Bore Diameter :55.000mm ，Width :36.700mm ，Brand:NTN ，Size :55x130x36.700mm |
| SL192312 Cylindrical roller bearings | Outer Diameter :130mm ，Width :46mm ，Size :60x130x46mm ，Bore Diameter :60mm ，Brand:NBS ，d:60 mm |
| EXFLE201 Bearing units | s:17 mm ，d:12 mm ，Brand:SNR ，Bore Diameter :12mm ，e:19 mm |
| 7213 BEGAPH Angular contact ball bearings | Brand:SKF ，d:65 mm ，Bore Diameter :120mm ，Outer Diameter :65mm ，Size :120x65x23mm ，Width :23mm |
| 3210-B-TV Angular contact ball bearings | Outer Diameter :90mm ，Bore Diameter :50mm ，Size :50x90x30.2mm ，Brand:NKE |
| GW 340 Plain bearings | Brand:CX ，Bore Diameter :340mm ，Outer Diameter :540mm ，Size :340x540x116mm |
| HM212049/HM212010 Tapered roller bearings | Bore Diameter :66.675mm ，Brand:NACHI ，Outer Diameter :122.238mm ，Width :38.100mm ，Size :66.675x122.238x38.100mm |
| QJ338 Angular contact ball bearings | Width :78mm ，Brand:CX ，Bore Diameter :190mm ，Outer Diameter :400mm ，Size :190x400x78mm |
| PCZ 3224 E Plain bearings | Brand:SKF ，Width :38.1mm ，Bore Diameter :50.8mm ，Outer Diameter :55.563mm ，Size :50.8x55.563x38.1mm |
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