BOSTON GEAR SB-28 Plain Bearings

Keyway f:1.6 mm; d:20.640 mm; Grease Speed Rating Max. n1:22000 rpm; Oil Speed Rating Max. n2:24000 rpm; Preload:10 lb; Oil Mist Speed Rating Max. n3:32000 rpm; X-L-O Part Number:55-87; D:50.8000 mm; Keyway e:21.4 mm; Fillet Radius ra:1.00 mm;

Accessories:Two Shields & Snap-R; Grease Speed Rating n1:14000 rpm; Sealed Speed Rating n3:14000 rpm; Oil Speed Rating n2:18000 rpm; Fillet Radius ra:1.00 mm; D:37.0000 mm; Basic Dynamic Radial Load Rating C:11700 N; B:19.1 mm; Basic Static Radial Load Rating Co:6800 N; d:12.000 mm;

Distance J:5.1250 in; Diameter N:0.5469 in; Shaft Diameter D:1 7/16 in; Height H:6.1250 in; Weight W:1.28 lb; Dimension L:3.7813 in; Insert Bearing IB:Stainless Steel; Basic Dynamic Radial Load Rating:4560 lbf; Dimension A1:1.3750 in; Dimension A2:0.6563 in;

Oil Speed Rating n2:8000 rpm; Fillet Radius rb:1.00 mm; d:35.000 mm; Basic Static Radial Load Rating Co:52000 N; Grease Speed Rating n1:6800 rpm; Fillet Radius ra:1.50 mm; B:42.00 mm; Basic Dynamic Radial Load Rating C:63700 N; D:80.0000 mm;

Fillet Radius ra:2.50 mm; Oil Speed Rating n2:4300 rpm; Basic Dynamic Radial Load Rating C:168000 N; B:45.00 mm; D:190.0000 mm; Grease Speed Rating n1:3600 rpm; Basic Static Radial Load Rating Co:166000 N; Fillet Radius rb:1.00 mm; d:75.000 mm;

d:130.000 mm; Fillet Radius ra:2.50 mm; Fillet Radius rb:1.00 mm; Basic Static Radial Load Rating Co:390000 N; D:230.0000 mm; Oil Speed Rating n2:2400 rpm; B:80.00 mm; Grease Speed Rating n1:1700 rpm; Basic Dynamic Radial Load Rating C:302000 N;

a:18 mm; Oil:17 000 min-1; r1s (min):0.6 mm; D:42 mm; Pu:0.299 kN; Dynamic (Cr):13.946 kN; Grease:14 000 min-1; rs (min):1 mm; B:13 mm; Static (Cor):6.575 kN;

d1:170 mm; d:120 mm; Mass shaft washer:1.04 kg; B:12 mm; r1,2 min.:1.1 mm;

Basic Dynamic Radial Load Rating C:234000 N; Grease Speed Rating n1:2000 rpm; Oil Speed Rating n2:2600 rpm; Fillet Radius ra:2.00 mm; D:280.0000 mm; d:180.000 mm; B:46.00 mm; Basic Static Radial Load Rating Co:290000 N; Fillet Radius rb:1.00 mm;

B1:112 mm; r1,2 min.:2.1 mm; d2 ≈:137 mm; Calculation factor e:0.33; d1:110 mm; Da max.:203 mm; d3:145 mm; Fatigue load limit Pu:93 kN; Calculation factor Y2:3; Basic dynamic load rating C:734 kN;

l7 min.:58 mm; Basic dynamic load rating C:156 kN; Mass rod end:3.9 kg; d:50 mm; α:6 °; Basic static load rating C0:245 kN; G:M 52x3; C1 max.:31 mm; dk:66 mm; l2 max.:254 mm;

Mass adapter sleeve assembly:3.4 kg; d:130 mm; B1:81.966 mm; Threads per inch:12; B4:25.4 mm; d3 max.:155.702 mm; d1:111.125 mm; Hydraulic nut:HMVC 26E; G:129.692 mm; B:22.479 mm;

B:13.00 mm; Basic Static Radial Load Rating Co:14300 N; Basic Dynamic Radial Load Rating C:16500 N; Oil Speed Rating Open/Shielded n2:9000 rpm; Accessories:Two Shields; Grease Speed Rating Open/Shielded n1:7500 rpm; d:60.000 mm; Fillet Radius ra:1.00 mm; Sealed Speed Rating n3:4500 rpm; D:85.0000 mm

B:224 mm; Oil:1258.630 kN; Pu:7830 kN; rs (min):7.5 mm; d:950 mm; Grease:21190 kN; with cylindrical bore:170 min-1; D:1250 mm; Static (Cor):22.3 mm; Dynamic (Cr):12 mm;

Basic static load rating C0:450 kN; T:52 mm; da max.:88 mm; d1 ≈:111.5 mm; Da max.:133 mm; Dimension series:3FE; a:39.062 mm; D:145 mm; r3,4 min.:3 mm; Mass bearing:3.95 kg;