Boston Gear (Altra) B1220-6 Plain Sleeve & Flanged Bearings

D1 ≈:425 mm; F:364 mm; db min.:368 mm; r1,2 min.:3 mm; ra max.:2.5 mm; B:120 mm; Fatigue load limit Pu:335 kN; Mass bearing:70 kg; da min.:334 mm; s max.:3.9 mm;

D1 ≈:156 mm; Calculation factor X:0.6; r0:2 mm; Calculation factor A:0.26; a:98 mm; b:10.5 mm; Fatigue load limit Pu:11 kN; Calculation factor e:0.95; da min.:104 mm; Limiting speed:6300 r/min;

Da max.:11.5 mm; d2 ≈:6 mm; Reference speed:110000 r/min; ra max.:0.2 mm; Limiting speed:70000 r/min; da min.:5.6 mm; Fatigue load limit Pu:0.011 kN; Calculation factor f0:6.4; Calculation factor kr:0.03; Mass bearing:0.0028 kg;

Accessories:Without Accessories; Basic Dynamic Radial Load Rating C:247000 N; Sealed Speed Rating n3:1600 rpm; Basic Static Radial Load Rating Co:228000 N; B:65.00 mm; D:290.0000 mm; d:105.000 mm; Grease Speed Rating Open/Shielded n1:2400 rpm; Fillet Radius ra:3.00 mm; Oil Speed Rating Open/Shielded

d:190 mm; d3:240 mm; B4:30.5 mm; d1:171.45 mm; B1:141 mm; Mass adapter sleeve assembly:10 kg; Locking device:MB 38; B:28 mm; G:M 190x3; Hydraulic nut:HMV 38 E;

Basic Static Radial Load Rating Co:57000 N; Accessories:One Seal; B:20.00 mm; Sealed Speed Rating n3:0 rpm; Grease Speed Rating Open/Shielded n1:3000 rpm; d:150.000 mm; Basic Dynamic Radial Load Rating C:48800 N; Fillet Radius ra:1.00 mm; D:190.0000 mm; Oil Speed Rating Open/Shielded n2:3600 rpm;

B:52 mm; Dynamic (Ca):631 kN; F:217 mm; rs (min):4 mm; r1s (min):4 mm; s:2.9 mm; Pu:73.560 kN; D:320 mm; b:12 mm; E:mm;

Specific dynamic load factor K:100 N/mm²; B:28 mm; l7 min.:40 mm; C1 max.:24 mm; r1 min.:0.6 mm; h1:145 mm; α:6 °; d2 max.:94 mm; Mass rod end:2.2 kg; Basic dynamic load rating C:100 kN;

Static (Cor):8.3 mm; d:140 mm; with cylindrical bore:1 800 min-1; Dynamic (Cr):4.5 mm; Grease:781 kN; with tapered bore:2 400 min-1; Pu:463 kN; D:210 mm; B:53 mm; rs (min):2 mm;

B:15 mm; D:68 mm; Reference grease quantity Gref:2.8 cm³; Number of balls z:19; d:40 mm; rb max.:0.6 mm; Calculation factor f:1.06; Ball diameter Dw:7.144 mm; Static axial stiffness, preload class B:60 N/µm; Calculation factor f2B:1.03;

D:140 mm; with tapered bore:3 200 min-1; Grease:252 kN; d:65 mm; Static (Cor):5.5 mm; rs (min):2.1 mm; with cylindrical bore:2 500 min-1; Oil:30.290 kN; Dynamic (Cr):3 mm; B:48 mm;

Comparative radial load rating CF:1860 kN; d:540 mm; r1,2 min.:2 mm; Thrust factor K:1.76; Calculation factor Y2:3; Mass bearing:395 kg; Basic static load rating C0:21200 kN; Comparative axial load rating CFa:301 kN; Design variant/feature:TQOSN/GWSI; D1 ≈:636 mm;

Da:259.999 mm; P120°:94.3 kN; R2:38.1 mm; A1:149.225 mm; Housing:SAF 034 KA; Eye bolt:3/8-16 UNC; PG:1/4 NPT; H2:60.325 mm; Cap bolt, SAE grade:5; P150°:85.9 kN;

D:140 mm; b:4 mm; db min.:92 mm; Calculation factor Y2:2.3; Mass bearing pair:4.39 kg; r5 min.:0.6 mm; r1,2 min.:2.5 mm; a:67.608 mm; Db min.:134 mm; ra max.:2.5 mm;

N1:48 mm; J:1070 mm; N4 max.:40 mm; P120°:3800 kN; N:60 mm; Oil seal:2 x TSD 3192 U; A2:465 mm; J1:260 mm; H:880 mm; Cap bolt, rec. tightening torque:850 N·m;