| d | 40 mm |
| db (min) | 47 mm |
| Configuration | Single Row |
| D | 80 mm |
| ra (max) | 1 mm |
| Inside Ring Outside Diameter | 49.5 mm |
| ra1 (max) | 1 mm |
| r1 | 1.1 mm |
| Da (max) | 73 mm |
| Static Load Rating | 55,500 N |
| B | 18 mm |
| dd (min) | 56 mm |
| Radial Clearance | 0.045 to 0.070 mm |
| Fillet Radius/Chamfer | 1.1 mm |
| Dynamic Load Rating | 55,500 N |
| Limiting Speed - Oil | 9,000 rpm |
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| db (max) | 49 mm |
| Limiting Speed - Grease | 9,500 rpm |
7948 KOYO Single-row, matched pair angular contact ball bearings Interchange Search | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | D | B | C | a | d | d1 | D1 | 2B |
| 7948 | KOYO | 320 mm | 38 mm | 193 kN | 99,8 mm | 240 mm | - | - | - |
| 7948A | NSK | 320 mm | 38 mm | 181 kN | 99,8 mm | 240 mm | - | - | - |
| 7948A5TRSU | NSK | 320 mm | 38 mm | 189 kN | 296,1 mm | 240 mm | 252 mm | 308 mm | - |
| 7948B | NSK | 320 mm | 38 mm | 161 kN | 136,5 mm | 240 mm | - | - | - |
| 7948CTRSU | NSK | 320 mm | 38 mm | 200 kN | 296,1 mm | 240 mm | 252 mm | 308 mm | - |
| 7948DB | NTN | 320 mm | 38 mm | 315 kN | 100 mm | 240 mm | - | - | 76 mm |
| 7948DF | NTN | 320 mm | 38 mm | 315 kN | 100 mm | 240 mm | - | - | 76 mm |
| 7948DT | NTN | 320 mm | 38 mm | 315 kN | 100 mm | 240 mm | - | - | 76 mm |
| 7948a5trdudmp3-nsk | NSK | 320mm | 38mm | - | - | 240mm | - | - | - |
| 7948ctrdulp3-nsk | NSK | 320mm | 38mm | - | - | 240mm | - | - | - |
| 7948ctrsump3-nsk | NSK | 320mm | 38mm | - | - | 240mm | - | - | - |
| NNU493 KOYO Double-row cylindrical roller bearings | Bore Diameter (mm):1180; Basic dynamic load rating (C):919 kN; Size (mm):1180x1420x106; Bearing number:618/1180; C:106 mm; (Grease) Lubrication Speed:230 r/min; D:1420 mm; Outer Diameter (mm):1420; Basic static load rating (C0):2580 kN; Weight:334 Kg; Width (mm):106; d:1180 mm; B:106 mm; |
| NN3028 KOYO Double-row cylindrical roller bearings | r min.:1,1 mm; (Grease) Lubrication Speed:1 100 r/min; d:90 mm; Weight:1,3 Kg; Da:118,5 mm; M:112,5 mm; J:103 mm; D:125 mm; B:35 mm; Bearing number:SL02-4918; Size (mm):90x125x35; Basic static load rating (C0):300 kN; Width (mm):35; C:35 mm; da:96,5 mm; Basic dynamic load rating (C):150 kN; Bore Dia |
| NN3024 KOYO Double-row cylindrical roller bearings | d:25 mm; nB:16000 1/min / Refere; Width (mm):15; Bore Diameter (mm):25; B:15 mm; Da max:46,4 mm; ra max:1 mm; m:0,129 kg / Weight; D:52 mm; rmin:1 mm; Cr:15000 N / Dynamic lo; da min:30,6 mm; Bearing number:6205-C; nG:21600 1/min / Limiti; Size (mm):25x52x15; Outer Diameter (mm):52; d2:31,3 mm; C0r: |
| NN303 KOYO Double-row cylindrical roller bearings | d:28 mm; (Grease) Lubrication Speed:9000 r/min; B:30 mm; Weight:0,082 Kg; Size (mm):28x37x30; C:30 mm; Bore Diameter (mm):28; D:37 mm; Bearing number:NK28/30ASR1; Basic dynamic load rating (C):26,5 kN; Width (mm):30; Basic static load rating (C0):52 kN; Outer Diameter (mm):37; r min.:0,3 mm; |
| NNU4928 KOYO Double-row cylindrical roller bearings | Size (mm):420x760x280; Width (mm):280,000; D:760,000 mm; Bore Diameter (mm):420,000; C:280,000 mm; B:280,000 mm; d:420,000 mm; Bearing number:RNNU8413; Outer Diameter (mm):760,000; |
| NN3026 KOYO Double-row cylindrical roller bearings | (Grease) Lubrication Speed:784 r/min; Width (mm):74; Bore Diameter (mm):320; d:320 mm; Outer Diameter (mm):480; B1:74 mm; Basic static load rating (C0):1499 kN; Size (mm):320x480x74; Weight:51 Kg; Bearing number:Q1064; Basic dynamic load rating (C):701 kN; C:74 mm; D:480 mm; |
| NNU4926 KOYO Double-row cylindrical roller bearings | H3:50 mm; Dynamic load rating radial (C):23,1 kN; D2:40 mm; Static load rating axial (C0):95,95 kN; H2:65 mm; Bearing number:ZARN 3062 L TN; C:20 mm; Bore Diameter (mm):30; D3:50 mm; Dynamic load rating axial (C):37 kN; B2:11 mm; d:30 mm; D1:52 mm; B1:25 mm; Size (mm):30x62x20; Static load rating ra |
| NNU4932 KOYO Double-row cylindrical roller bearings | Width (mm):28; Ew:45 mm; Bore Diameter (mm):32; B:28 mm; Fw:32 mm; (Oil) Lubrication Speed:13000 r/min; Size (mm):32x45x28; Basic static load rating (C0):56,5 kN; Bearing number:32V4528; Basic dynamic load rating (C):47,9 kN; Outer Diameter (mm):45; (Grease) Lubrication Speed:10000 r/min; Weight:0,1 |
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