NTN 51280 Thrust Bearings  

Fatigue load limit Pu:3.6 kN; Calculation factor Y1:0.92; d1 ≈:87.14 mm; Calculation factor X:0.67; Da max.:118 mm; Calculation factor Y2:1.41; Mass bearing:1.75 kg; a:37 mm; Reference speed:7000 r/min; Limiting speed:10000 r/min;

Fillet Radius ra:1.50 mm; B:50.00 mm; D:130.0000 mm; Grease Speed Rating n1:3400 rpm; Fillet Radius rb:1.00 mm; d:75.000 mm; Basic Dynamic Radial Load Rating C:130000 N; Oil Speed Rating n2:4500 rpm; Basic Static Radial Load Rating Co:140000 N;

P60°:394 kN; Pa:32.7 kN; Initial grease fill:623.7 g; A2:215.9 mm; S:4.763 mm; Da:269.999 mm; Adapter sleeve assembly:SNW 30x5.5/16; Bearing:22230 CCK/W33; R2:39.688 mm; H1:160.325 mm;

Grease:0.640 kN; Pu:14.100 kN; D:110 mm; d:50 mm; Oil:5 600 min-1; rs Dynamic (Cr):2 mm; B:27 mm; with cylindrical bore:6 700 min-1; B1:mm; with tapered bore:1310  ;

Shielded or Sealed Co2:200000 N; Grease Speed Rating n1:2600 rpm; d:100.000 mm; Basic Dynamic Radial Load Rating 40º C1:238000 N; Basic Static Radial Load Rating 15º Co1:270000 N; D:215.0000 mm; Fillet Radius ra:2.50 mm; Fillet Radius rb:1.00 mm; Oil Speed Rating n2:3600 rpm; Width Plain C

B:30.20 mm; Sealed Speed Rating n3:4800 rpm; Basic Static Radial Load Rating Co:39000 N; Basic Dynamic Radial Load Rating C:48800 N; D:90.0000 mm; Accessories:One Seal; Fillet Radius ra:1.00 mm; Oil Speed Rating n2:6300 rpm; d:50.000 mm; Grease Speed Rating n1:4800 rpm;

Grease Speed Rating Open/Shielded n1:6200 rpm; Oil Speed Rating Open/Shielded n2:7500 rpm; D:85.0000 mm; Accessories:Without Accessories; d:45.000 mm; Basic Dynamic Radial Load Rating C:39300 N; B:19.00 mm; Fillet Radius ra:1.00 mm; Basic Static Radial Load Rating Co:32500 N;

b:22 mm; da min.:225 mm; Fatigue load limit Pu:13.4 kN; Calculation factor Y2:1.17; Calculation factor e:0.86; Calculation factor Y1:0.73; D1 ≈:286 mm; ra max.:2.1 mm; Mass bearing:17.6 kg; Basic static load rating C0:520 kN;

G:M 130x2; B1:80 mm; d3:165 mm; Hydraulic nut:HMV 26 E; Lock nut:KMFE 26; d:130 mm; Mass adapter sleeve assembly:2.9 kg; B:28 mm; d1:115 mm;

Cap bolt:1-8 UNC; Cap bolt recommended tightening torque:1220 N·m; End plug (suffix Y):EPR 18; Cap bolt, SAE grade:8; Adapter sleeve assembly:SNW 34x5.13/16; Labyrinth ring:2 x LOR 138; R1:115.888 mm; Da:309.999 mm; L:628.65 mm; Ca:95.809 mm;

d1:320 mm; r1,2 min.:5 mm; B2 ≈:234 mm; D:580 mm; Reference speed:850 r/min; Da min.:489 mm; da min.:351 mm; da max.:446 mm; G:Tr 360x5; B:190 mm;

RG:1/2 NPT; L:466.725 mm; Da:240 mm; Bearing:1322 M; R1:79.375 mm; R2:36.513 mm; Stabilizing ring:2 x SR-1622; J max.:406.4 mm; N1:25.4 mm; P120°:73.8 kN;

Accessories:Two Shields & Snap-R; Oil Speed Rating Open/Shielded n2:5300 rpm; d:65.000 mm; Grease Speed Rating Open/Shielded n1:4500 rpm; D:160.0000 mm; Sealed Speed Rating n3:2900 rpm; B:37.00 mm; Basic Static Radial Load Rating Co:78000 N; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating

Fatigue load limit Pu:1.4 kN; Calculation factor (back-to-back, face-to-face) Y2:1.41; Calculation factor (back-to-back, face-to-face) Y1:0.92; Preload class D GD:1920 N; Preload class C GC:960 N; Static axial stiffness, preload class A:168 N/µm; Preload class A GA:240 N; Static axial stiffnes

rs (min):4 mm; D:190 mm; Static (Coa):683 kN; r2s (min):0.8 mm; a:44 mm; d2:90 mm; r1s (min):3 mm; B:64 mm; Dynamic (Ca):478 kN; Pu:75.330 kN;