SKF Four-Bolt Square Flange Unit, Gray Cast Iron, Square, Shaft End (FNL 522 A)

Basic Attributes

• Type

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• Shaft Bore Dia. d(mm)

  • 65
  • 70
  • 80
  • 100

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• Customs tariff weight(kg)

  • 10.128
  • 10.426
  • 12.669
  • 23.5

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• Unit height H(mm)

  • 190
  • 196
  • 210
  • 270

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• Unit width A(mm)

  • 106
  • 113
  • 121
  • 140

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• Unit length L(mm)

  • 190
  • 196
  • 210
  • 270

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• A1(mm)

  • 25
  • 30

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• Base height to shaft center H1/L1(mm)

  • 95
  • 98
  • 105
  • 135

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• Bearing, locating ring, seal basic shape

  • 1215 K; H 215; 2xFRB 8/130; TFL 515|2215 EKTN9; H 315; 1xFRB 10/130; TFL 515|22215 EK; H 315; 1xFRB 10/130; TFL 515|C 2215 K; H 315 E; 1xFRB 10/130; TFL 515
  • 1216 K; H 216; 2xFRB 8,5/140; TFL 516|2216 EKTN9; H 316; 1xFRB 10/140; TFL 516|22216 EK; H 316; 1xFRB 10/140; TFL 516|C 2216 K; H 316 E; 1xFRB 10/140; TFL 516
  • 1218 K; H 218; 2xFRB 10/160; TFL 518|2218 K; H 318; 1xFRB 10/160; TFL 518|22218 EK; H 318; 1xFRB 10/160; TFL 518|C 2218 K; H 318 E; 1xFRB 10/160; TFL 518
  • 1222 K; H 222; 2xFRB 12,5/200; TFL 522|2222 KM; H 322; 1xFRB 10/200; TFL 522|22222 EK; H 322; 1xFRB 10/200; TFL 522|C 2222 K; H 322 E; 1xFRB 10/200; TFL 522

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• Distance between housing base and bearing seat Ba(mm)

  • 30
  • 31

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• Distance between housing base and bearing seat Bb(mm)

  • 24
  • 27
  • 28
  • 33

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• Pitch circle J(mm)

  • 152
  • 170
  • 219

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• suitable bearings

  • 1215 K|2215 EKTN9|22215 EK|C 2215 K
  • 1216 K|2216 EKTN9|22216 EK|C 2216 K
  • 1218 K|2218 K|22218 EK|C 2218 K
  • 1222 K|2222 KM|22222 EK|C 2222 K

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• Screw size for mounting hole G

  • M16
  • M20

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• Shaft diameter max.(mm)

  • 65
  • 70
  • 80
  • 100

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• D1(mm)

  • 168
  • 175
  • 196
  • 244

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