8 mm x 12 mm x 2,5 mm NTN 678A deep groove ball bearingsSpecifications
Place of Origin | China | Structure | Tooth Chain | Function | Transmission Chain |
Material | Stainless Steel | Standard or Nonstandard | Standard |
L | 539.75 mm |
P120° | 87.2 kN |
End plug (suffix Y) | EPR 17 |
PG | 1/4 NPT |
P150° | 80.1 kN |
J1 | 95.25 mm |
S | 4.763 mm |
Lock nut | AN 30 |
A2 | 279.4 mm |
H | 320.675 mm |
Welcome to the8 mm x 12 mm x 2,5 mm NTN 678A deep groove ball bearingsonline seller
Initial grease fill:793.8 g; H2:66.675 mm; H1:169.875 mm; A1:158.75 mm; Adapter sleeve assembly:SNW 32x5.7/16; Da:289.999 mm; L:558.8 mm; Cap bolt:7/8-9 UNC; Stabilizing ring:SR-32-0; da:138.113 mm;
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Grease Speed Rating Open/Shielded n1:30000 rpm; d:10.000 mm; Basic Static Radial Load Rating Co:1960 N; Sealed Speed Rating n3:19000 rpm; D:26.0000 mm; Basic Dynamic Radial Load Rating C:4620 N; Accessories:Two Seals; B:8.00 mm; Fillet Radius ra:0.30 mm; Oil Speed Rating Open/Shielded n2:36000 rpm;
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G2:G 1/4; d1:850 mm; Mass withdrawal sleeve:489 kg; G:Tr 950x8; d:900 mm; B2:605 mm; Nut for removal:HM 31/950; Hydraulic nut:HMV 190 E; B1:585 mm; G1:70 mm;
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Basic dynamic load rating C:1345 kN; Calculation factor e:0.24; Fatigue load limit Pu:150 kN; d1:170 mm; D:340 mm; da max.:220 mm; r1,2 min.:4 mm; ra max.:3 mm; Da max.:323 mm; Limiting speed:480 r/min;
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Sealed Speed Rating n3:3200 rpm; Accessories:No Shield, no Seal; Oil Speed Rating n2:4300 rpm; Grease Speed Rating n1:3200 rpm; D:140.0000 mm; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:154000 N; B:58.70 mm; Basic Static Radial Load Rating Co:163000 N; d:65.000 mm;
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Housing:FSAF 616; A1:98.425 mm; da:68.263 mm; PG:1/8 NPT; Da:170 mm; N1:19.05 mm; R2:26.988 mm; Adapter sleeve assembly:SNW 116x2.11/16; Max. speed for PosiTrac Plus seal:2150 r/min; H1:107.95 mm;
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Calculation factor Y1:2.5; Calculation factor Y0:2.5; K:12 mm; r1,2 min.:7.5 mm; D:1220 mm; Calculation factor e:0.27; d2 ≈:957 mm; Basic static load rating C0:31500 kN; Reference speed:200 r/min; Basic dynamic load rating C:15183 kN;
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Grease Speed Rating n1:2200 rpm; Basic Static Radial Load Rating Co:146000 N; B:55.60 mm; D:170.0000 mm; d:95.000 mm; Sealed Speed Rating n3:2200 rpm; Fillet Radius ra:2.00 mm; Oil Speed Rating n2:3200 rpm; Basic Dynamic Radial Load Rating C:159000 N; Accessories:One Seal;
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r1,2 min.:1 mm; Mass shaft washer:0.39 kg; d:110 mm; d1:145 mm; B:7 mm;
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Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:234000 N; B:78.00 mm; Oil Speed Rating n2:3800 rpm; Grease Speed Rating n1:2900 rpm; D:170.0000 mm; d:80.000 mm; Fillet Radius rb:1.00 mm; Basic Static Radial Load Rating Co:240000 N;
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Mass withdrawal sleeve:17 kg; B1:184 mm; d1:280 mm; Nut for removal:HM 3164; A:6.5 mm; d:300 mm; G:Tr 320x5; Hydraulic nut:HMV 64 E; G2:G 1/8; B2:202 mm;
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Basic Static Radial Load Rating Co:71000 N; Accessories:Two Shields; Grease Speed Rating Open/Shielded n1:4400 rpm; D:130.0000 mm; Basic Dynamic Radial Load Rating C:88000 N; d:50.000 mm; B:31.00 mm; Oil Speed Rating Open/Shielded n2:5400 rpm; Fillet Radius ra:2.00 mm;
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SWN:11.113 mm; Mass bearing unit:9.4 kg; Housing:SY 516 U; GN:1/8-27 NPT; d:74.613 mm; Rα:45 °; Bearing:YAR 216-215-2F; B:77.8 mm; Housing material:Cast iron; Thread grub screw G2:7/16-20 UNF;
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Grease Speed Rating n1:3600 rpm; Oil Speed Rating n2:4800 rpm; d:75.000 mm; Angle Third:40 º; B:111.00 mm; D:160.0000 mm; Basic Dynamic Radial Load Rating 15 B Bearing C2:146000 N; Basic Static Radial Load Rating 15 B Bearing Co2:114000 N; Basic Dynamic Radial Load Rating 40 AA Pair C1:260000 N
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Ready to Ship deep groove ball bearings |
| D | C | d | B | D1 | f0 | C0 | C1 |
W678AZ | 12 mm | 0,515 kN | 8 mm | 3,5 mm | - | - | 0,252 kN | - |
W678AZZ | 12,000 mm | 3,500 mm | 8,000 mm | 3,500 mm | - | - | - | - |
FLAW678AZZ | 12,000 mm | 3,500 mm | 8,000 mm | 3,500 mm | - | - | - | - |
FL678A | 12 mm | 0,515 kN | 8 mm | 2,5 mm | 13,2 mm | - | 0,252 kN | 0,6 mm |
F-W678AZZ | 12,000 mm | 3,500 mm | 8,000 mm | 3,500 mm | - | - | - | - |
F-FLAW678AZZ | 12,000 mm | 3,500 mm | 8,000 mm | 3,500 mm | - | - | - | - |
678A | 12 mm | 0,515 kN | 8 mm | 2,5 mm | - | - | 0,252 kN | - |
678AZZ | 12 mm | 0,515 kN | 8 mm | 3,5 mm | - | - | 0,252 kN | - |
F-W678AZZ1/1K | 12 mm | - | 8 mm | 3.5 mm | - | 15.9 | - | - |
F-W678AZZ1/4M | 12 mm | - | 8 mm | 3.5 mm | - | 15.9 | - | - |