Bearings Tapered Roller Bearings NNU4972K

Grease Speed Rating n1:4800 rpm; B:56.00 mm; D:220.0000 mm; Basic Static Radial Load Rating Co:315000 N; Basic Dynamic Radial Load Rating C:208000 N; Fillet Radius ra:2.00 mm; d:160.000 mm; Oil Speed Rating n2:7200 rpm; Fillet Radius rb:1.00 mm;

H:134.938 mm; H2:25.4 mm; P90°:20.9 kN; Cap bolt:2 x 1/2-13 UNC; Cap bolt, SAE grade:8; Appropriate attachment bolt size G:0.625 in; S:4.763 mm; ba:30.956 mm; da:34.925 mm; Initial grease fill:39.69 g;

Sleeve:S 3040x7.3/16; Threads per inch:8; Lock washer:W 040; d1:182.563 mm; B4:33.35 mm; Hydraulic nut:HMVC 40E; Mass adapter sleeve assembly:8.85 kg; G:199.314 mm; d3 max.:239.852 mm; B1:120.396 mm;

D:85 mm; D1:47 mm; r1,2 min.:1 mm; B:8.25 mm; Mass housing washer:0.26 kg;

d:300 mm; r1,2 min.:3 mm; Mass shaft washer:15.2 kg; d1:415 mm; B:28.5 mm;

Sleeve:S 3040x7.3/16; Threads per inch:8; Lock washer:W 040; d1:182.563 mm; B4:33.35 mm; Hydraulic nut:HMVC 40E; Mass adapter sleeve assembly:8.85 kg; G:199.314 mm; d3 max.:239.852 mm; B1:120.396 mm;

Mass withdrawal sleeve:143 kg; Nut for removal:HM 31/600; G:Tr 600x6; d:560 mm; d1:530 mm; Hydraulic nut:HMV 120 E; A:11 mm; B1:422 mm; G1:57 mm; G2:G 1/4;

P120°:7.56 kN; Cap bolt recommended tightening torque:61 N·m; da:38.1 mm; P90°:12.5 kN; Cap bolt, SAE grade:5; Stabilizing ring:SR-9-0; Initial grease fill:51.03 g; A1:60.325 mm; Pa:2.54 kN; Labyrinth ring:2 x LER 18;

H:134.938 mm; H2:25.4 mm; P90°:20.9 kN; Cap bolt:2 x 1/2-13 UNC; Cap bolt, SAE grade:8; Appropriate attachment bolt size G:0.625 in; S:4.763 mm; ba:30.956 mm; da:34.925 mm; Initial grease fill:39.69 g;

D:130 mm; Mass bearing:1.36 kg; B:29 mm; db min.:95 mm; d1 ≈:108.1 mm; Calculation factor Y0:0.8; r1,2 min.:1.5 mm; a:27.957 mm; Da min.:117 mm; Limiting speed:4800 r/min;

Calculation factor f:1.19; D1:90.8 mm; Calculation factor (single, tandem) Y0:0.38; b:2 mm; C2:3.5 mm; Static axial stiffness, preload class B:261 N/µm; Static axial stiffness, preload class A:200 N/µm; Preload class C GC:800 N; Calculation factor (single, tandem) Y2:0.87; Static axial stiffness, preload class C:348 N/µm;

Sleeve:S 3040x7.3/16; Threads per inch:8; Lock washer:W 040; d1:182.563 mm; B4:33.35 mm; Hydraulic nut:HMVC 40E; Mass adapter sleeve assembly:8.85 kg; G:199.314 mm; d3 max.:239.852 mm; B1:120.396 mm;

d2:26.7 mm; r3,4 min.:0.6 mm; J:46 mm; d:15 mm; Preload:650 N; Static moment stiffness:65 N·m/mrad; Frictional moment:0.1 N·m; H:25 mm; Fatigue load limit Pu:1.3 kN; D:60 mm;

D:85 mm; D1:47 mm; r1,2 min.:1 mm; B:8.25 mm; Mass housing washer:0.26 kg;

D:85 mm; D1:47 mm; r1,2 min.:1 mm; B:8.25 mm; Mass housing washer:0.26 kg;