QJ1988N2MA Four point contact ball bearings

G:M 52x3; Specific dynamic load factor K:150 N/mm²; d:50 mm; Basic dynamic load rating C:236 kN; C1 max.:31 mm; d4 ≈:70 mm; Mass rod end:4.1 kg; l3 min.:68 mm; h1:195 mm; w:60 mm;

Tolerance shaft:h8; Permissible sliding velocity v max.:5 m/s; Permissible sliding velocity v min.:0.25 m/s; B:70 mm; Coefficient of friction µ min.:0.05; Specific dynamic load factor K:10 N/mm²; Specific static load factor K0:20 N/mm²; Coefficient of friction µ max.:0.1; d:55

Mass bearing:0.2 kg; r3,4 min.:0.3 mm; Basic static load rating C0:21.6 kN; Static axial stiffness, preload class D:343 N/µm; Number of balls z:17; rb max.:0.3 mm; Calculation factor f:1.09; Static axial stiffness, preload class A:146 N/µm; Calculation factor (back-to-back, face-to-face)

Seals or Shields:Open Type; Weight:0.02 KGS; B:28mm; D:110mm; Clearance:Standard; Availability:In Stock; Cage Type:Steel; SKU:22212e-qbl; d:60mm;

da max.:600 mm; Da min.:637 mm; Basic static load rating C0:8300 kN; Ca min.:2.3 mm; Reference speed:630 r/min; Misalignment factor k1:0.113; Limiting speed:900 r/min; d:500 mm; d2 ≈:571 mm; Operating clearance factor k2:0.111;

Weight:0.02 KGS; B:64mm; d:90mm; Availability:In Stock; Seals or Shields:Open Type; SKU:22318-e1a-m-c3-qbl; Cage Type:Brass; D:190mm; Clearance:C3;

D:135mm; d:100mm; Clearance:Standard; Weight:0.97 KGS; Cage Type:Steel; Seals or Shields:Open Type; SKU:51120-qbl; B:25mm; Availability:In Stock;

Cap bolt, SAE grade:8; Appropriate attachment bolt size G:1 in; P150°:113 kN; H2:69.85 mm; H:360.363 mm; R1:115.888 mm; P60°:345 kN; da:147.637 mm; S:4.763 mm; Da:309.999 mm;

Oil Limiting Speed (r/min):13000; D:125mm; Weight:0.31 KGS; Availability:In Stock; Cage Type:Plastic; Dynamic Load Rating (kN):21.2; d:100mm; Static Load Rating (kN):27.5; Seals or Shields:Open Type; Fatigue Load Rating (kN):1.1;

Basic Static Radial Load Rating Co:27500 N; Basic Dynamic Radial Load Rating C:39000 N; d:45.000 mm; Grease Speed Rating n1:6700 rpm; Fillet Radius ra:1.00 mm; D:85.0000 mm; Oil Speed Rating n2:9000 rpm; B:19.00 mm;

d2 ≈:72.7 mm; Basic dynamic load rating C:159 kN; K:3 mm; Calculation factor Y0:2.8; r1,2 min.:2 mm; B:27 mm; D:110 mm; B1:42 mm; Calculation factor e:0.24; b:6 mm;

Stabilizing ring:2 x SR-1618; Ca:73.787 mm; H:230.981 mm; PosiTrac Plus contact element:2 x B10724-188; A1:111.125 mm; P150°:44.5 kN; Pa:11.6 kN; J min.:304.8 mm; Cap bolt:2 x 3/4-10 UNC; Initial grease fill:481.95 g;

Cap bolt recommended tightening torque:81.3 N·m; N1:19.05 mm; P120°:17.3 kN; P150°:15.6 kN; Cap bolt, SAE grade:5; P90°:27.1 kN; Da:100 mm; Initial grease fill:82.215 g; Ca:30.785 mm; ba:25.4 mm;

D:24mm; Seals or Shields:Open Type; Weight:0.20 KGS; d:8mm; Availability:In Stock; SKU:s608/24-zen; Clearance:Standard; B:7mm; Cage Type:Steel;