| Bearing number | 7921DB |
| ra max. | 1 mm |
| r1 min. | 0,6 mm |
| da min. | 112 mm |
| Basic static load rating (C0) | 109 kN |
| (Grease) Lubrication Speed | 3 500 r/min |
| 2B | 40 mm |
| ra1 max. | 0,6 mm |
| B | 20 mm |
| Width (mm) | 20 |
| Size (mm) | 105x145x20 |
| D | 145 mm |
| a | 46 mm |
| Basic dynamic load rating (C) | 79 kN |
| Weight | 1,944 Kg |
| Bore Diameter (mm) | 105 |
| Db max | 140,5 mm |
| d | 105 mm |
| Angle (α) | 25 ° |
| Outer Diameter (mm) | 145 |
Cross reference 7948B KOYO Single-row, matched pair angular contact ball bearings | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | R | C | d | a | D | B | T | r |
| M667948/11 | ISO | - | 68,262 mm | 409,575 mm | 17,8 mm | 545,1 mm | 87,312 mm | 87,312 mm | - |
| M667948/M667910 | KOYO | - | 1330 kN | 409,575 mm | 105,1 mm | 546,1 mm | 87,313 mm | 87,313 mm | - |
| M667948/M667911 | Timken | 6,3 mm | 68,262 mm | 409,575 mm | 17,8 mm | 546,1 mm | 87,312 mm | 87,312 mm | 6,3 mm |
| 7948 | KOYO | - | 193 kN | 240 mm | 99,8 mm | 320 mm | 38 mm | - | - |
| 7948A | NSK | - | 181 kN | 240 mm | 99,8 mm | 320 mm | 38 mm | - | - |
| 7948A5TRSU | NSK | - | 189 kN | 240 mm | 296,1 mm | 320 mm | 38 mm | - | - |
| 7948B | NSK | - | 161 kN | 240 mm | 136,5 mm | 320 mm | 38 mm | - | - |
| 7948CTRSU | NSK | - | 200 kN | 240 mm | 296,1 mm | 320 mm | 38 mm | - | - |
| 7948DB | NTN | - | 315 kN | 240 mm | 100 mm | 320 mm | 38 mm | - | - |
| 7948DF | NTN | - | 315 kN | 240 mm | 100 mm | 320 mm | 38 mm | - | - |
| 7948DT | NTN | - | 315 kN | 240 mm | 100 mm | 320 mm | 38 mm | - | - |
| NN3028 KOYO Double-row cylindrical roller bearings | Basic dynamic load rating (C):100 kN; Bore Diameter (mm):40; d:40 mm; Angle:7 °; d1:45 mm; Size (mm):40x62x28; Width (mm):28; C:22 mm; Weight:0,306 Kg; Bearing number:GE40ES-2RS; D:62 mm; Outer Diameter (mm):62; B:28 mm; |
| NNU4926 KOYO Double-row cylindrical roller bearings | D:100 mm; d:55 mm; Bearing number:20211 C; Width (mm):21; B:21 mm; C:21 mm; Size (mm):55x100x21; Basic static load rating (C0):85 kN; Bore Diameter (mm):55; Basic dynamic load rating (C):73,5 kN; (Grease) Lubrication Speed:2500 r/min; Weight:0,653 Kg; Outer Diameter (mm):100; |
| NN3024 KOYO Double-row cylindrical roller bearings | Bore Diameter (mm):55; r min.:1,1 mm; Outer Diameter (mm):90; Bearing number:HSS7011-E-T-P4S; C:18 mm; Size (mm):55x90x18; Basic dynamic load rating (C):17 600 kN; Weight:0,41 Kg; ra max:1 mm; a:26 mm; Width (mm):18; da:62 mm; rmin:1,1 mm; D:90 mm; d:55 mm; da:62 mm / Tolerance: h; nG Fett:20000 1/m |
| NNU493 KOYO Double-row cylindrical roller bearings | m:0,679 kg / Weight; s:0,8 mm / Axial displ; d1:70,8 mm; d:55 mm; ra max:1,5 mm; D:100 mm; da max:65 mm; Da max:91 mm; rmin:1,5 mm; Cr:99000 N / Dynamic lo; Bore Diameter (mm):55; B:21 mm; r1 min:1,1 mm; C0r:95000 N / Static loa; D1:86,6 mm; Width (mm):21; Outer Diameter (mm):100; F:66 mm; dc min:73 |
| NN3026 KOYO Double-row cylindrical roller bearings | Weight:1740 Kg; r1 min.:6 mm; C:700 mm; B:700 mm; Fw:796 mm; D:1000 mm; Bearing number:145FC100700W; Basic dynamic load rating (C):18100 kN; Outer Diameter (mm):1000; r min.:6 mm; d:725 mm; Width (mm):700; Bore Diameter (mm):725; Size (mm):725x1000x700; |
| NN303 KOYO Double-row cylindrical roller bearings | Basic static load rating (C0):87 kN; D:100 mm; Size (mm):55x100x25; Bearing number:NUP2211; Bore Diameter (mm):55; Basic dynamic load rating (C):75,5 kN; (Grease) Lubrication Speed:6000 r/min; d:55 mm; B:25 mm; F:66,5 mm; Width (mm):25; C:25 mm; Weight:0,786 Kg; Outer Diameter (mm):100; |
| NNU4932 KOYO Double-row cylindrical roller bearings | N:41 mm; L3:123 mm; L1:135 mm; L5:220 mm; H2:113 mm; N2:71 mm; A2:46 mm; S:26 mm; H:178 mm; d:60 mm; Bore Diameter (mm):60; A:71 mm; H1:160 mm; A1:22 mm; Bearing number:UCT312; L:220 mm; B:71 mm; N1:31 mm; L2:23 mm; |
| NNU4928 KOYO Double-row cylindrical roller bearings | D:90 mm; Size (mm):50x90x23; e:1,1 mm; m:9 mm; D1:61,8 mm; Bore Diameter (mm):50; C:23 mm; a:5 mm; Width (mm):23; s:19 mm; Thread (G):M10x1,25; N:2,7 mm; d:50 mm; Outer Diameter (mm):90; N1:86,79 mm; Weight:0,8 Kg; Bearing number:CUC210; H1:5,6 mm; B1:51,6 mm; J:3,7 mm; |
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