01
 - 02
modified_befn-niro
BEFN_drawing
Rotational Units
Rod Ends
Classic Line
Série K

BEFN

Cabeças de rótula com chumaceira esférica prensada, rosca fêmea, série K, DIN ISO 12240-4 & 8139, manutenção necessária
Tamanhos disponíveis
5 → 30

O essencial

DURBAL heavy-duty rod ends with pressed spherical-plain bearing, series K, female thread, according to DIN ISO 12240-4 and DIN ISO 8139
Right hand thread: BEFN_-20-501 and left hand thread: BEFN_-20-502

  • Housing: forged steel, tempered, surface galvanized, free of Cr VI
  • Outer ring: bearing brass, oil groove and drill holes
  • Joint ball: ball bearing steel, hardened, ground, polished and hard chromium plated
  • Maintenance: maintenance required, oiled on delivery, initial lubrication by the user
  • Grease nipple: DIN 3405 D1/A, from size 6 grease nipple on pos. 1, further grease nipple see on this page
  • Tolerances: see on this page
  • Temperature range: -40° C to +110° C

Special characteristics:

  • Primary application in situations of alternating stresses or impact loads and preferred in situations of large swivelling movements;
  • Joint ball made of ball bearing steel, hardened, ground, polished and hard chromium plated, ensures a reliable corrosion protection.
  • Rod ends are pressed as standard with DG_PB radial-spherical-plain bearing.
  • All rod end housings are made of forged steel, tempered, extremly high loads resistant and protected against corrosion by galvanisation.
  • Rod ends from size 5-30 can be greased subsequently by means of a funnel-type lubrication nipple. Further special grease nipples available on request.
  • Connection dimensions in accordance with DIN ISO 8139 for pneumatic cylinders.

Available as a complete linkages (system) solution or separately with threaded bolts, washers, rubber protector caps and hexagonal locking nuts. For shaft diameters from 5 mm to 30 mm.

 

Type d (mm) G d2 (mm) l4 (mm)
BEFN 05 – 20 – 501 5 M 5 18 36
BEFN 05 – 20 – 502 5 M 5 18 36
BEFN 05 – 21 – 501 5 M 4 18 36
BEFN 05 – 21 – 502 5 M 4 18 36
BEFN 06 – 20 – 501 6 M 6 20 40
BEFN 06 – 20 – 502 6 M 6 20 40
BEFN 08 – 20 – 501 8 M 8 24 48
BEFN 08 – 20 – 502 8 M 8 24 48
BEFN 10 – 20 – 501 10 M 10 28 57
BEFN 10 – 20 – 502 10 M 10 28 57
BEFN 10 – 21 – 501 10 M 10 x 1,25 28 57
BEFN 10 – 21 – 502 10 M 10 x 1,25 28 57
BEFN 12 – 20 – 501 12 M 12 32 66
BEFN 12 – 20 – 502 12 M 12 32 66
BEFN 12 – 21 – 501 12 M 12 x 1,25 32 66
BEFN 12 – 21 – 502 12 M 12 x 1,25 32 66
BEFN 14 – 20 – 501 14 M 14 36 75
BEFN 14 – 20 – 502 14 M 14 36 75
BEFN 16 – 20 – 501 16 M 16 42 85
BEFN 16 – 20 – 502 16 M 16 42 85
BEFN 16 – 21 – 501 16 M 16 x 1,5 42 85
BEFN 16 – 21 – 502 16 M 16 x 1,5 42 85
BEFN 18 – 20 – 501 18 M 18 x 1,5 46 94
BEFN 18 – 20 – 502 18 M 18 x 1,5 46 94
BEFN 20 – 20 – 501 20 M 20 x 1,5 50 102
BEFN 20 – 20 – 502 20 M 20 x 1,5 50 102
BEFN 22 – 20 – 501 22 M 22 x 1,5 54 111
BEFN 22 – 20 – 502 22 M 22 x 1,5 54 111
BEFN 25 – 20 – 501 25 M 24 x 2 60 124
BEFN 25 – 20 – 502 25 M 24 x 2 60 124
BEFN 30 – 20 – 501 30 M 30 x 2 70 145
BEFN 30 – 20 – 502 30 M 30 x 2 70 145
BEFN 30 – 21 – 501 30 M 27 x 2 70 145
BEFN 30 – 21 – 502 30 M 27 x 2 70 145
Type d (mm) G d2 (mm) l4 (mm)
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