| Tolerance shaft | e7 |
| d | 17 mm |
| Specific dynamic load factor K | 25 N/mm² |
| Specific static load factor K0 | 45 N/mm² |
| Coefficient of friction µ min. | 0.08 |
| B | 30 mm |
| Coefficient of friction µ max. | 0.15 |
| α | 105 ° |
| Tolerance housing | H7 |
| D | 25 mm |
| Permissible sliding velocity v min. | 0 m/s |
| h | 18 mm |
| a | 3 mm |
| Mass bushing | 0.065 kg |
| Permissible sliding velocity v max. | 0.5 m/s |
GET MORE 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 | - | - |
| NU34 KOYO Single-row cylindrical roller bearings | H1:95 mm; Oil seal:2 x TSN 313 U; Oil level, max.:40 mm; P90°:260 kN; J7:33 mm; Appropriate attachment bolt, rec. tightening torque:385 N·m; P150°:175 kN; db:75 mm; Ca:58 mm; Pa:140 kN; H2:32 mm; N4 max.:8 mm; A2:141 mm; Bearing (basic designation):1313; P0°:350 kN; N:28 mm; Q120& |
| NU334 KOYO Single-row cylindrical roller bearings | Basic Dynamic Radial Load Rating C:104000 N; d:70.000 mm; Grease Speed Rating n1:4500 rpm; Oil Speed Rating Open/Shielded n2:5300 rpm; B:35.00 mm; Sealed Speed Rating n3:3000 rpm; Oil Speed Rating n2:5300 rpm; Fillet Radius ra:2.00 mm; D:150.0000 mm; Grease Speed Rating Open/Shielded n1:4500 rpm; Ac |
| NU2244 KOYO Single-row cylindrical roller bearings | B1:425 mm; G:Tr 800x7; A:15 mm; Hydraulic nut:HMV 160 E; B2:441 mm; G2:G 1/4; d:750 mm; G1:60 mm; Mass withdrawal sleeve:238 kg; d1:710 mm; |
| NU224 KOYO Single-row cylindrical roller bearings | Appropriate attachment bolt size G:0.75 in; Pa:27.6 kN; Ca:69.799 mm; N1:22.225 mm; PG:1/4 NPT; A2:235.744 mm; H:222.25 mm; da:85 mm; J max.:333.375 mm; Cap bolt recommended tightening torque:515.2 N·m; P180°:42.7 kN; Mass pillow block:34.7 kg; Cap bolt, SAE grade:8; P90°:62.3 kN; J1: |
| NU338 KOYO Single-row cylindrical roller bearings | Housing:SSAFS 226; A2:203.2 mm; A1:130.175 mm; H2:60.325 mm; R2:36.513 mm; H:292.1 mm; Cap bolt recommended tightening torque:515.2 N·m; P180°:151 kN; Cap bolt, SAE grade:8; Initial grease fill:765.45 g; Labyrinth ring (db shaft position):LOR 136; RG:1/2 NPT; Ca:73.787 mm; H1:152.4 mm; R1 |
| NU240R KOYO Single-row cylindrical roller bearings | d:35.000 mm; Grease Speed Rating n1:6000 rpm; Sealed Speed Rating n3:6000 rpm; Basic Static Radial Load Rating Co:27500 N; B:27.00 mm; Fillet Radius ra:1.00 mm; Basic Dynamic Radial Load Rating C:37700 N; Oil Speed Rating n2:8000 rpm; D:72.0000 mm; Accessories:One Shield & Snap-Ri; |
| NU104 KOYO Single-row cylindrical roller bearings | Design variant/feature:TQON/GW; Basic static load rating C0:22400 kN; Fatigue load limit Pu:1530 kN; Comparative radial load rating CF:1760 kN; T:365.125 mm; r1,2 min.:3.3 mm; Mass bearing:418 kg; D:812.8 mm; Calculation factor Y2:3; Thrust factor K:1.76; d1 ≈:698 mm; B:365.125 mm; Basic dynam |
| NU2338 KOYO Single-row cylindrical roller bearings | B1:208 mm; G2:M 6; d:300 mm; d1:280 mm; d3:380 mm; Mass adapter sleeve assembly:29 kg; B5:53 mm; G:Tr 300x4; G3:9 mm; A:3.9 mm; Hydraulic nut:HMV 60E; B:40 mm; |
| NU1044 KOYO Single-row cylindrical roller bearings | Oil Speed Rating n2:8800 rpm; B:66.00 mm; d:130.000 mm; Grease Speed Rating n1:5900 rpm; D:200.0000 mm; Fillet Radius ra:2.00 mm; Basic Static Radial Load Rating Co:300000 N; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:225000 N; |
| NU3244 KOYO Single-row cylindrical roller bearings | D:1030 mm; Ba min.:26 mm; Reference speed:300 r/min; db min.:736 mm; B:236 mm; Mass bearing + sleeve:860 kg; Calculation factor Y0:3.2; ra max.:6 mm; Da max.:1002 mm; d2 ≈:816 mm; B2:90 mm; Calculation factor Y1:3.2; r1,2 min.:7.5 mm; da max.:816 mm; b:22.3 mm; d1:670 mm; d3:830 mm; Basic dyna |
| NU2240R KOYO Single-row cylindrical roller bearings | d1:55.563 mm; Hydraulic nut:HMV 13 E; G:M 65x2; d3:85 mm; Mass adapter sleeve assembly:0.76 kg; B:15 mm; d:65 mm; B1:65 mm; |
| NU3144 KOYO Single-row cylindrical roller bearings | Sleeve:S 20x3.7/16; Mass adapter sleeve assembly:2 kg; B1:72.619 mm; B:19.304 mm; Hydraulic nut:HMVC 20E; d3 max.:131.902 mm; d1:87.313 mm; d:100 mm; Threads per inch:12; B4:21.438 mm; G:99.517 mm; |
| NU3338 KOYO Single-row cylindrical roller bearings | Oil Speed Rating n2:2200 rpm; B:110.00 mm; d:120.000 mm; Basic Static Radial Load Rating Co:530000 N; Basic Dynamic Radial Load Rating C:390000 N; Grease Speed Rating n1:1600 rpm; D:260.0000 mm; Fillet Radius ra:2.50 mm; Fillet Radius rb:1.00 mm; |
| NU234 KOYO Single-row cylindrical roller bearings | Ball diameter Dw:7.938 mm; db min.:59.6 mm; Reference grease quantity Gref:2.49 cm³; D1:72.3 mm; Calculation factor (back-to-back, face-to-face) Y1:0.92; Calculation factor f2D:1.17; Calculation factor f2B:1.07; Static axial stiffness, preload class B:179 N/µm; Number of balls z:23; Prelo |
| N24 KOYO Single-row cylindrical roller bearings | da min.:531 mm; Reference speed:240 r/min; r1,2 min.:4 mm; H:112 mm; Da max.:433 mm; d:400 mm; Basic static load rating C0:10400 kN; Fatigue load limit Pu:735 kN; Basic dynamic load rating C:2120 kN; B:33.5 mm; Mass bearing:73 kg; D:540 mm; Limiting speed:500 r/min; Minimum axial load factor A:8.653 |
| NU244 KOYO Single-row cylindrical roller bearings | Appropriate attachment bolt size G:0.875 in; ba:38.894 mm; Initial grease fill:365.71 g; P150°:32 kN; L:387.35 mm; R2:30.163 mm; End plug (suffix Y):EPR 10; Cap bolt, SAE grade:8; R1:65.088 mm; PG:1/4 NPT; J max.:333.375 mm; J min.:295.275 mm; Ca:69.799 mm; A2:173.037 mm; P120°:35.6 kN; P180 |
7948B KOYO Single-row, matched pair angular contact ball bearings Video
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