TIMKEN 1280-50000/1220-50000 Tapered Roller Bearing Assemblies

Fw:95 mm; Reference speed:4300 r/min; Ew:103 mm; Basic dynamic load rating C:79.2 kN; Mass needle roller and cage assembly:0.27 kg; Limiting speed:5000 r/min; U:40 mm; Fatigue load limit Pu:28.5 kN; Basic static load rating C0:228 kN;

H:298.45 mm; P120°:116 kN; h:51.594 mm; RG:3/4 NPT; Taconite seal:TER 121; P60°:301 kN; Initial grease fill:481.95 g; H1:152.4 mm; Ca:77.8 mm; Stabilizing ring:SR-28-0;

P60°:364 kN; Ca:107.798 mm; R2:42.862 mm; Cap bolt recommended tightening torque:271.2 N·m; Appropriate attachment bolt size G:1.25 in; J max.:635 mm; Cap bolt, SAE grade:5; Adapter sleeve assembly:SNP 3048x9; Da:359.999 mm; J min.:571.5 mm;

Basic Dynamic Radial Load Rating C:475000 N; d:130.000 mm; B:116.00 mm; Fillet Radius rb:1.00 mm; D:280.0000 mm; Oil Speed Rating n2:3300 rpm; Grease Speed Rating n1:2300 rpm; Fillet Radius ra:3.00 mm; Basic Static Radial Load Rating Co:695000 N;

B:128 mm; da min.:1083 mm; Axial load factor Y:0.4; Da max.:1257 mm; Fatigue load limit Pu:630 kN; d1 ≈:1140 mm; Basic static load rating C0:10200 kN; Basic dynamic load rating C:3800 kN; E:1228 mm; r1,2 min.:6 mm;

Mass bearing:0.66 kg; Basic dynamic load rating C:90 kN; D1 ≈:77.4 mm; Da max.:82.4 mm; Limiting speed:14000 r/min; Calculation factor kr:0.3; da max.:57.5 mm; da min.:57 mm; d:50 mm; Fatigue load limit Pu:11.4 kN;

static Cor:874.000 kN; d:160 mm; D1:163 mm; rs (min):1.5 mm; d1:222 mm; Oil:1 200 min-1; dynamic Cr:288.750 kN; Grease:890 min-1; D:225 mm; Pu:28.630 kN;

Fillet Radius ra:1.50 mm; Oil Speed Rating n2:5600 rpm; Sealed Speed Rating n3:4300 rpm; D:100.0000 mm; Basic Dynamic Radial Load Rating C:57200 N; Accessories:One Seal & Snap-Ring; Grease Speed Rating n1:4300 rpm; Basic Static Radial Load Rating Co:47500 N; B:33.30 mm; d:55.000 mm;

B:51 mm; Cb min.:12 mm; d:70 mm; Fatigue load limit Pu:45 kN; ra max.:3 mm; D:150 mm; Calculation factor Y0:0.6; Reference speed:3400 r/min; Ca min.:7 mm; Db min.:141 mm;

ra max.:0.15 mm; Calculation factor kr:0.025; D:7 mm; Fatigue load limit Pu:0.003 kN; Basic static load rating C0:0.067 kN; Reference speed:160000 r/min; Mass bearing:0.0004 kg; Calculation factor f0:6.6; D1 ≈:5.65 mm; d1 ≈:3.85 mm;

D:200.0000 mm; Basic Static Radial Load Rating Co:52000 N; B:53.00 mm; Grease Speed Rating n1:2800 rpm; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:124000 N; Oil Speed Rating n2:3400 rpm; d:110.000 mm;

R1:60.325 mm; Cap bolt recommended tightening torque:149.1 N·m; R2:27.781 mm; P120°:59.6 kN; Ca:49.809 mm; Cap bolt:1/2-13 UNC; A2:206.375 mm; End plug (suffix Y):EPR 11; Max. speed for Taconite seal:950 r/min; H:196.85 mm;

Sleeve:S 17x2.15/16; Hydraulic nut:HMVC 17E; Threads per inch:12; d:85 mm; B4:17.704 mm; d3 max.:112.039 mm; d1:74.612 mm; B:16.129 mm; Lock washer:W 17; Lock nut:AN 17;

Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:172000 N; B:63.50 mm; Basic Static Radial Load Rating Co:186000 N; Sealed Speed Rating n3:2800 rpm; Accessories:Two Shields & Snap-R; D:150.0000 mm; Grease Speed Rating n1:2800 rpm; d:70.000 mm; Oil Speed Rating n2:3800 rpm;

d2:86.8 mm; Calculation factor (single, tandem) X2:0.41; Calculation factor (single, tandem) Y0:0.38; Static axial stiffness, preload class A:141 N/µm; Mass bearing:0.36 kg; Calculation factor f1:0.99; Da max.:105.4 mm; b:2 mm; Static axial stiffness, preload class B:214 N/µm; Calculatio