240 mm x 440 mm x 72 mm NKE 7248-BCB-MP angular contact ball bearingsCross reference
| Separated | Unseparated | Load Direction | Radial Bearing | Material | Bearing Steel |
| Name | Ball Bearing | Modle | 682 | Size | 2X5X2.3 |
| Precision | P0/P6/P5 | Noise | Z2/Z3 | Ball Materials Grade | G5 |
| Grease | Nippon Grease | Rolling Body | Ball Bearings | The Number of Rows | Single |
| Outer Dimension | Micro(≤26mm) | Spherical | Non-Aligning Bearings | Trademark | INB |
| Specification | 4X12X4 mm | Origin | Ningbo Zhejiang China | HS Code | 8482121000 |
| B | 13.00 mm |
| Grease Speed Rating Open/Shielded n1 | 12000 rpm |
| Sealed Speed Rating n3 | 8000 rpm |
| D | 55.0000 mm |
| Basic Dynamic Radial Load Rating C | 13300 N |
| Basic Static Radial Load Rating Co | 8300 N |
| Fillet Radius ra | 1.00 mm |
| d | 30.000 mm |
| Oil Speed Rating Open/Shielded n2 | 15000 rpm |
| Accessories | Two Shields & Snap-R |
240 mm x 440 mm x 72 mm NKE 7248-BCB-MP angular contact ball bearings Specifications
G:M 160x3; d3:190 mm; B:25 mm; Lock nut:KML 32; B1:119 mm; Hydraulic nut:HMV 32 E; Locking device:MBL 32; Mass adapter sleeve assembly:7.3 kg; d:160 mm; d1:139.7 mm;
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rc max.:1 mm; D:240 mm; d:110 mm; T:140 mm; d1 ≈:176.88 mm; Calculation factor Y2:1.2; b:8 mm; Basic static load rating C0:1160 kN; Mass bearing pair:26.2 kg; C:90 mm;
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Limiting speed:12000 r/min; Basic static load rating C0:41.5 kN; U:17 mm; Fatigue load limit Pu:5 kN; Ew:45 mm; Basic dynamic load rating C:20.5 kN; Reference speed:10000 r/min; Mass needle roller and cage assembly:0.031 kg; Fw:40 mm;
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Cap bolt, SAE grade:5; Mass pillow block:90.7 kg; Da:289.999 mm; P120°:85.9 kN; J max.:488.95 mm; da:173.037 mm; H:336.55 mm; Cap bolt recommended tightening torque:203.4 N·m; h:47.625 mm; H1:169.875 mm;
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Pa:46.3 kN; R2:41.275 mm; Eye bolt:2 x 3/8-16 UNC; Cap bolt recommended tightening torque:1220 N·m; P150°:173 kN; S:4.763 mm; Stabilizing ring:SR-36-30; L:679.45 mm; ba:75.406 mm; h:60.325 mm;
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da:63.5 mm; H1:101.6 mm; ba:44.45 mm; S:4.763 mm; Da:160 mm; PG:1/8 NPT; A2:223.838 mm; J max.:295.275 mm; P180°:42.3 kN; P150°:34.7 kN;
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Basic dynamic load rating C:30 kN; Fatigue load limit Pu:2.2 kN; Number of attachment bolts:7; r3,4 min.:0.6 mm; Preload:1920 N; da min.:32 mm; Mass bearing:0.7 kg; H1:19 mm; d2:37.2 mm; Frictional moment:0.2 N·m;
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Basic dynamic load rating C:9.52 kN; U:10 mm; Ew:29 mm; Fatigue load limit Pu:1.8 kN; Fw:25 mm; Mass needle roller and cage assembly:0.0085 kg; Reference speed:16000 r/min; Limiting speed:18000 r/min; Basic static load rating C0:15.6 kN;
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Labyrinth ring:2 x LOR 139; R2:37.306 mm; P60°:234 kN; Initial grease fill:878.85 g; Max. speed for PosiTrac Plus seal:950 r/min; H1:179.375 mm; PosiTrac Plus contact element:2 x B10724-130; L:628.65 mm; Housing:SAW 534; A1:171.45 mm;
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P60°:136 kN; P150°:46.3 kN; A2:222.25 mm; Cap bolt recommended tightening torque:203.4 N·m; h:42.069 mm; PG:1/4 NPT; ba:44.45 mm; A1:111.125 mm; L:387.35 mm; Stabilizing ring:SR-20-17;
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Pu:18.660 kN; B:24 mm; rs (min):2 mm; r1s (min):1.5 mm; C:21 mm; a:26 mm; Dynamic (Ca):121 kN; T:26.25 mm; r2s (min):0.6 mm; D:125 mm;
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G:Tr 600x6; d1:690 mm; Lock washer / Locking clip:MS 31/600-560; d3:750 mm; B5:110 mm; Associated spanner:TMFN 600-750; B3:15 mm; Mass lock nut:85 kg; d2:648 mm; B:85 mm;
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Pa:42.9 kN; ba:69.85 mm; Housing:SSAFS 038 KA; H2:66.675 mm; A1:158.75 mm; Eye bolt:2 x 3/8-16 UNC; Initial grease fill:793.8 g; Cap bolt:7/8-9 UNC; H1:169.875 mm; L:558.8 mm;
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ba:89.694 mm; Pa:66.7 kN; Housing:SSAFS 048 KA; PG:1/4 NPT; Eye bolt:2 x 1/2-13 UNC; Da:359.999 mm; P150°:185 kN; Stabilizing ring:2 x A8897; H:419.1 mm; Adapter sleeve assembly:SNP 3048x8.1/2;
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rc max.:1 mm; r3,4 min.:3 mm; Calculation factor Y0:1.6; Fatigue load limit Pu:143 kN; T:104 mm; Limiting speed:2200 r/min; Calculation factor e:0.43; b:15 mm; d:160 mm; da max.:190 mm;
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| interchange 240 mm x 440 mm x 72 mm NKE 7248-BCB-MP angular contact ball bearings guide |
| e | D | T | B | C | R | r | a |
| 72212C/72487 | - | 123,825 mm | 36,512 mm | 32,791 mm | 25,4 mm | 3,6 mm | 3,3 mm | 2 mm |
| 72213C/72487 | - | 123,825 mm | 36,512 mm | 32,791 mm | 25,4 mm | 3,5 mm | 3,3 mm | - |
| 72218C/72487 | - | 123,825 mm | 36,512 mm | 32,791 mm | 25,4 mm | - | - | 2 mm |
| 72225C/72487 | 0.74 | 123,825 mm | 36,512 mm | 32,791 mm | 162 kN | - | - | 38 mm |
| 72200/72487 | - | - | 36,512 mm | 32,791 mm | 141 kN | - | - | 38 mm |
| 72200C/72487 | - | 123,825 mm | 35,45 mm | 32,791 mm | 167 kN | - | - | 2 mm |
| 72201C/72487 | - | 123,825 mm | 35,451 mm | 32,791 mm | 25,4 mm | - | - | 2 mm |
| 72201C/72487 | - | 123,825 mm | 36,512 mm | 32,791 mm | 154 kN | - | - | - |
| 72212/72487 | - | - | 36,512 mm | 32,791 mm | 141 kN | - | - | 38 mm |
| 7248-BCB-MP | - | 440 mm | - | 72 mm | 363 kN | - | - | 180 mm |
English
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