NTN 7918UCG/GNP42U3G Precision Ball Bearings Dimensions
d | 90 mm |
D | 125 mm |
B | 18 mm |
d1 | 101.9 mm |
d2 | 99.3 mm |
D1 | 113.1 mm |
D2 | 118.5 mm |
a | 23.5 mm |
Contact angle α | 15 ° |
rs min | 1.1 mm |
r1s min | 0.6 mm |
f0 | 16.6 |
Precision class | P42 |
Mass | 0.56 kg |
Brand | NTN |
Dynamic load, C | 41.5 kN |
Static load, C0 | 46 kN |
Nlim (oil) | 17,400 rpm |
Nlim (grease) | 10,900 rpm |
Preload level | GN |
Preload value | 0.255 kN |
Axial rigidity | 105 N/µm |
Radial rigidity | 600 N/µm |
Min operating temperature, Tmin | -20 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.45 Hz |
Characteristic rolling element frequency, BSF | 10.33 Hz |
Characteristic outer ring frequency, BPF0 | 12.25 Hz |
Characteristic inner ring frequency, BPFI | 14.75 Hz |
da min | 97 mm |
Da max | 118 mm |
Db max | 120.5 mm |
r1a max | 0.6 mm |
ra max | 1 mm |
D6 | 102.4 mm |
The Limiting Speed depends on the NTN 7918UCG/GNP42U3G type, dimensions, lubricating method, load, etc. The Limiting Speed of a Pre-packed with WPH waterproof grease Precision Bearings is limited by the circumferential speed of the contact sections of the seal and raceway ring. When using a Pre-packed with WPH waterproof grease Precision Bearings at 75% or more of its Limiting Speed, select the correct required grease type and amount or the correct lubrication oil and method.
90 mm 3.5433 in x 125 mm 4.9213 in x 18 mm 0.7087 in Size (mm) NTN 7918 Pre-packed with WPH waterproof grease Precision Bearings
Bearing number:7918; Size (mm):90x125x18(mm); Brand:NTN; Bore Diameter (mm):90(mm); Outer Diameter (mm):125(mm); Width (mm):18(mm); d:90 mm 3.5433 in; D:125 mm 4.9213 in; B:18 mm 0.7087 in; C:18 mm 0.7087 in; Angle (α):25 °; a:40 mm 1.5748 in; r min.:1,1 mm 0.0433 in; r1 min.:0,6 mm 0.0236 in; da min.:97 mm 3.8189 in; db min:97 mm 3.8189 in; ra max.:1 mm 0.0394 in; Weight:0,658 Kg; Basic dynamic load rating (C):36 kN; Basic static load rating (C0):38 kN; (Grease) Lubrication Speed:5 200 r/min;
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90 mm 3.5433 in x 125 mm 4.9213 in x 18 mm 0.7087 in r1 min. NTN 7918C Pre-packed with WPH waterproof grease Precision Bearings
Bearing number:7918C; Size (mm):90x125x18(mm); Brand:NTN; Bore Diameter (mm):90(mm); Outer Diameter (mm):125(mm); Width (mm):18(mm); d:90 mm 3.5433 in; D:125 mm 4.9213 in; B:18 mm 0.7087 in; C:18 mm 0.7087 in; Angle (α):15 °; a:23,5 mm 0.9252 in; r min.:1,1 mm 0.0433 in; r1 min.:0,6 mm 0.0236 in; Weight:0,549 Kg; Basic dynamic load rating (C):39,5 kN; Basic static load rating (C0):42,5 kN; (Grease) Lubrication Speed:7 700 r/min; (Oil) Lubrication Speed:10 000 r/min;
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d:90 mm; D:140 mm; B:24 mm; d1:105.8 mm; D1:124.2 mm; D2:131.61 mm; a:39 mm; Contact angle α:25 °; rs min:1.5 mm; r1s min:0.6 mm; f0:15.94; Precision class:P4; Mass:1.16 kg; Brand:SNR; Dynamic load, C:67.8 kN; Static load, C0:65.7 kN; Fatigue limit load, Cu:3.45 kN; Nlim (oil):14,000 rpm; Nlim (grea
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d:10 mm; D:30 mm; B:9 mm; d1:16 mm; D1:24.45 mm; D2:26.09 mm; a:9 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.6 mm; f0:12.74; Precision class:P4; Mass:0.03 kg; Brand:SNR; Dynamic load, C:7.2 kN; Static load, C0:3.55 kN; Fatigue limit load, Cu:0.21 kN; Nlim (oil):73,000 rpm; Nlim (grease):48,0
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d:15 mm; D:28 mm; B:7 mm; d1:18.7 mm; d2:17.75 mm; D1:24.35 mm; D2:24.95 mm; a:8 mm; Contact angle α:25 °; rs min:0.3 mm; r1s min:0.3 mm; f0:8; Precision class:P4S; Mass:0.02 kg; Brand:SNR; Dynamic load, C:1.92 kN; Static load, C0:0.89 kN; Fatigue limit load, Cu:0.07 kN; Nlim (grease):63,000 rpm; Ax
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d:65 mm; D:100 mm; B:18 mm; d1:76.9 mm; d2:74.3 mm; D1:88.1 mm; D2:93.5 mm; a:28.3 mm; Contact angle α:25 °; rs min:1.1 mm; r1s min:0.6 mm; f0:16.1; Precision class:P42; Mass:0.44 kg; Brand:NTN; Dynamic load, C:36 kN; Static load, C0:34 kN; Nlim (oil):19,900 rpm; Nlim (grease):12,300 rpm; Preload le
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d:30 mm; D:62 mm; B:16 mm; d1:40.4 mm; D1:52.05 mm; D2:56.99 mm; a:14 mm; Contact angle α:15 °; rs min:1 mm; r1s min:0.6 mm; f0:13.96; Precision class:P4; Mass:0.2 kg; Brand:SNR; Dynamic load, C:24.3 kN; Static load, C0:15.9 kN; Fatigue limit load, Cu:0.86 kN; Nlim (oil):36,000 rpm; Nlim (grease):23
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d:85 mm; D:150 mm; B:28 mm; d1:107.2 mm; D1:128.1 mm; D2:140.2 mm; a:41 mm; Contact angle α:25 °; rs min:2 mm; r1s min:1 mm; f0:14.95; Precision class:P4; Mass:1.81 kg; Brand:SNR; Dynamic load, C:101 kN; Static load, C0:86.5 kN; Fatigue limit load, Cu:4.45 kN; Nlim (oil):12,500 rpm; Nlim (grease):8,
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d:75 mm; D:105 mm; B:16 mm; d1:84.7 mm; D1:95.3 mm; D2:100.14 mm; a:20 mm; Contact angle α:15 °; rs min:0.6 mm; r1s min:0.3 mm; f0:16.55; Precision class:P4; Mass:0.35 kg; Brand:SNR; Dynamic load, C:28.9 kN; Static load, C0:30.5 kN; Fatigue limit load, Cu:1.66 kN; Nlim (oil):19,500 rpm; Nlim (grease
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d:130 mm; D:180 mm; B:24 mm; d1:146 mm; D1:164.02 mm; D2:170.89 mm; a:48 mm; Contact angle α:25 °; rs min:1.5 mm; r1s min:0.6 mm; f0:16.68; Precision class:P4; Mass:1.57 kg; Brand:SNR; Dynamic load, C:78 kN; Static load, C0:92.8 kN; Fatigue limit load, Cu:4.15 kN; Nlim (oil):13,500 rpm; Nlim (grease
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d:75 mm; D:105 mm; B:16 mm; d1:85.3 mm; d2:83 mm; D1:94.7 mm; D2:99.3 mm; a:29.1 mm; Contact angle α:25 °; rs min:1 mm; r1s min:0.6 mm; f0:16.7; Precision class:P42; Mass:0.36 kg; Brand:NTN; Dynamic load, C:28.4 kN; Static load, C0:29.6 kN; Nlim (oil):18,200 rpm; Nlim (grease):11,300 rpm; Preload le
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d:35 mm; D:55 mm; B:10 mm; d1:41.6 mm; d2:39.9 mm; D1:48.4 mm; D2:51.7 mm; a:15.6 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.3 mm; f0:15.7; Precision class:P42; Mass:0.07 kg; Brand:NTN; Dynamic load, C:13 kN; Static load, C0:9.75 kN; Nlim (oil):36,400 rpm; Nlim (grease):22,600 rpm; Preload l
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d:90 mm; D:125 mm; B:18 mm; d1:101.9 mm; d2:99.3 mm; D1:113.1 mm; D2:118.5 mm; a:34.2 mm; Contact angle α:25 °; rs min:1.1 mm; r1s min:0.6 mm; f0:16.7; Precision class:P42; Mass:0.56 kg; Brand:NTN; Dynamic load, C:39.5 kN; Static load, C0:43 kN; Nlim (oil):15,300 rpm; Nlim (grease):9,400 rpm; Preloa
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d:45 mm; D:68 mm; B:12 mm; d1:52.7 mm; d2:50.8 mm; D1:60.4 mm; D2:64 mm; a:19.2 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.3 mm; f0:16.1; Precision class:P42; Mass:0.12 kg; Brand:NTN; Dynamic load, C:17 kN; Static load, C0:14.1 kN; Nlim (oil):29,000 rpm; Nlim (grease):18,000 rpm; Preload lev
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d:55 mm; D:80 mm; B:13 mm; d1:63.1 mm; d2:61.15 mm; D1:73.71 mm; D2:75.31 mm; a:22 mm; Contact angle α:25 °; rs min:1 mm; r1s min:0.3 mm; f0:8.62; Precision class:P4S; Mass:0.18 kg; Brand:SNR; Dynamic load, C:9.5 kN; Static load, C0:7.2 kN; Fatigue limit load, Cu:0.41 kN; Nlim (oil):29,000 rpm; Nlim
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d:85 mm; D:130 mm; B:22 mm; d1:100.2 mm; d2:96.7 mm; D1:114.8 mm; D2:121.9 mm; a:36.2 mm; Contact angle α:25 °; rs min:1.1 mm; r1s min:0.6 mm; f0:16.1; Precision class:P42; Mass:0.9 kg; Brand:NTN; Dynamic load, C:58.5 kN; Static load, C0:58.5 kN; Nlim (oil):15,300 rpm; Nlim (grease):9,400 rpm; Prelo
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d:150 mm; D:225 mm; B:35 mm; d1:174.2 mm; D1:200.82 mm; D2:212.32 mm; a:61 mm; Contact angle α:25 °; rs min:2.1 mm; r1s min:1 mm; f0:16.22; Precision class:P4; Mass:4.16 kg; Brand:SNR; Dynamic load, C:147 kN; Static load, C0:167 kN; Fatigue limit load, Cu:6.8 kN; Nlim (oil):8,500 rpm; Nlim (grease):
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