40mm x 52mm x 7mm NSK 6808dd-nsk Thin Section BearingsCompare similar products
| Applicable Industries | Manufacturing Plant, Machinery Repair Shops, Energy & Mining | Place of Origin | China | Condition | New |
| After-sales Service Provided | Overseas service center available | Type | hammer parts | Certificate | ASTM |
| Usage | Impact breaking hammer | Product type | lyzt001 | Processing Type | Casting, Casting |
| Delivery Detail | 25~35 working days | Packaging Details | Standard exporting container or as your reques | Warranty | 1 Year |
| Installation | Engineer Guide | Weight | 3.1-16.5 T |
| Basic Dynamic Radial Load Rating C | 9560 N |
| B | 12.00 mm |
| Sealed Speed Rating n3 | 12000 rpm |
| Oil Speed Rating n2 | 20000 rpm |
| Fillet Radius ra | 0.64 mm |
| d | 17.000 mm |
| D | 40.0000 mm |
| Grease Speed Rating Open/Shielded n1 | 17000 rpm |
| Accessories | One Shield & Snap-Ri |
| Oil Speed Rating Open/Shielded n2 | 20000 rpm |
Maintenance Assessment - 40mm x 52mm x 7mm NSK 6808dd-nsk Thin Section Bearings
D:160.0000 mm; Sealed Speed Rating n3:2600 rpm; Grease Speed Rating n1:2600 rpm; Oil Speed Rating n2:3600 rpm; B:68.30 mm; Basic Static Radial Load Rating Co:140000 N; Fillet Radius ra:2.00 mm; Accessories:One Seal & Snap-Ring; Basic Dynamic Radial Load Rating C:168000 N; d:75.000 mm;
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Calculation factor Y2:3.5; db min.:28 mm; B1:29 mm; ra max.:1 mm; Calculation factor Y1:2.2; B:18 mm; da max.:31 mm; r1,2 min.:1 mm; Calculation factor e:0.28; Calculation factor kr:0.045;
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Clearance:Standard; Dynamic Load Rating (kN):104; Static Load Rating (kN):68; Fatigue Load Rating (kN):4.45; B:35mm; D:150mm; d:70mm; Limiting Speed Rating (r/min):2800; Cage Type:Steel; SKU:6314-rsr-fag;
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B:39.7mm; Clearance:Standard; Seals or Shields:Two Rubber Seals; SKU:3214b-2rstn-qbl; Availability:In Stock; Cage Type:Plastic; d:70mm; Weight:0.02 KGS; D:125mm;
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Grease Speed Rating n1:12000 rpm; Fillet Radius ra:1.00 mm; d:20.000 mm; Basic Dynamic Radial Load Rating C:32500 N; Basic Static Radial Load Rating Co:17600 N; Fillet Radius rb:0.60 mm; B:19.00 mm; Oil Speed Rating n2:15000 rpm; D:72.0000 mm;
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Da:600 mm; ba max.:203 mm; Q180°:2100 kN; da:360 mm; H:695 mm; N:50 mm; N1:42 mm; Cap bolt, size:M 36x240; Mass housing:445 kg; J1:220 mm;
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Oil Limiting Speed (r/min):6600; d:35mm; Weight:0.02 KGS; SKU:30307a-ntn; B:22.75mm; Cage Type:Steel; Availability:In Stock; Dynamic Load Rating (kN):75; Grease Limiting Speed (r/min):5000; Static Load Rating (kN):77;
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Calculation factor kr:0.02; D1 ≈:421.62 mm; Fatigue load limit Pu:9 kN; ra max.:2.5 mm; Da max.:447 mm; d:340 mm; D:460 mm; Mass bearing:26.5 kg; Basic static load rating C0:425 kN; Reference speed:2600 r/min;
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B:52mm; Seals or Shields:Open Type; d:190mm; Clearance:C3; Availability:In Stock; Cage Type:Brass; SKU:23938-s-mb-c3-qbl; Weight:0.02 KGS; D:260mm;
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h:23 mm; Associated spanner:TMFN 500-600; G:Tr 500x5; d2:540 mm; B:80 mm; B5:100 mm; Lock washer / Locking clip:MS 31/500; Mass lock nut:67.5 kg; d3:630 mm; Associated eyebolt for handling:M 10;
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Specific dynamic load factor K:100 N/mm²; B:28 mm; l4 max.:155 mm; C1 max.:23 mm; Basic dynamic load rating C:100 kN; r1 min.:0.6 mm; d:40 mm; Size bolt with internal hexagon:M 10; h1:105 mm; d4 max.:45 mm;
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Seals or Shields:Open Type; Fatigue Load Rating (kN):0.38; Cage Type:Plastic; Clearance:Standard; D:68mm; d:45mm; Dynamic Load Rating (kN):12.4; Oil Limiting Speed (r/min):28000; Preload:Medium; Static Load Rating (kN):9;
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Labyrinth ring:2 x LOR 107; PG:1/4 NPT; Stabilizing ring:SR-22-19; Mass pillow block:52.2 kg; Pa:17.3 kN; P150°:59.6 kN; Initial grease fill:232.47 g; da:96.838 mm; A1:120.65 mm; Cap bolt:5/8-11 UNC;
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Cap bolt, SAE grade:5; R1:53.975 mm; Max. speed for PosiTrac Plus seal:1950 r/min; Adapter sleeve assembly:SNW 17x2.13/16; RG:3/8 NPT; Stabilizing ring:SR-17-14; Housing:SAF 517; S:4.763 mm; J max.:279.4 mm; J min.:250.825 mm;
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J min.:263.525 mm; Labyrinth ring:2 x LOR 187; Cap bolt, SAE grade:5; End plug (suffix Y):EPR 11; P120°:38.3 kN; A1:98.425 mm; PG:1/8 NPT; Initial grease fill:286.33 g; L:349.25 mm; N1:19.05 mm;
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| 40mm x 52mm x 7mm NSK 6808dd-nsk Thin Section Bearings cross reference chart |
| D | C | a | b | d | r | f | B |
| 6808N | 52 mm | 5,95 kN | 1.3 mm | 0.95 mm | 40 mm | - | - | 7 mm |
| 6808NR | 52 mm | 6,35 kN | 1,3 mm | 0,95 mm | 40 mm | 0.3 | 0,85 mm | 7 mm |
| 6808NR | 52 mm | 5,95 kN | 1.3 mm | 0.95 mm | 40 mm | - | 0.85 mm | 7 mm |
| 6808NR | 52 mm | 5,1 kN | 1,3 mm | 0,95 mm | 40 mm | - | 0,85 mm | 7 mm |
| 6808ZZ | 52 mm | 5,1 kN | - | - | 40 mm | - | - | 7 mm |
| 6808 | 52 mm | 4,95 kN | - | - | 40 mm | - | - | 7 mm |
| 6808-2RD | 52 mm | 4,95 kN | - | - | 40 mm | - | - | 7 mm |
| 6808-2RZ | 52 mm | 4,4 kN | - | - | 40 mm | - | - | 7 mm |
| 6808JR | 52 mm | - | - | - | 40 mm | - | - | 7 mm |
| 6808dd-nsk | 52mm | - | - | - | 40mm | - | - | 7mm |
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NTN BEARING-BOWER CORP.2020-07-10 09:46:19
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