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Chiaravalli Adjustable V-Belt Pulley PRB 1 Groove — product photo
Chiaravalli

Adjustable V-Belt Pulley PRB 1 Groove

Variable-pitch V-belt pulley PRB, 1 groove, for taper bushes. The effective pitch diameter dr adjusts between the min and max values listed per belt section (Z / A / B and SPZ / SPA / SPB); executions 1 and 2 as drawn.

Grub screws DIN 916 / UNI 5929 as listed per pulley.

Product Configuration

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Code TypeExec.BushØ ell1b1 minb1 maxdr min–maxd2d3RBelt sections Weight CAD
90000931 PRB-93 2 1108 93 mm 36.5 mm 29 mm 10 mm 17.5 mm 57–78 / 59–85 mm 46 mm M60x2 13.5 mm Z 10x6, A 13x8 0.86 kg
90001081 PRB-108 1 1215 108 mm 38 mm 30.5 mm 10 mm 17.5 mm 68–92 / 70–100 / 75–93 / 76–102 mm — M72x2 — Z 10x6, A 13x8, SPZ, SPA 1.18 kg
90001201 PRB-120 1 1215 120 mm 38 mm 30.5 mm 10 mm 17.5 mm 80–104 / 82–112 / 87–105 / 88–114 mm — M72x2 — Z 10x6, A 13x8, SPZ, SPA 1.46 kg
90001381 PRB-138 1 1615 138 mm 38 mm 30.5 mm 10 mm 17.5 mm 98–122 / 100–130 / 105–123 / 106–132 mm — M85x2 — Z 10x6, A 13x8, SPZ, SPA 2.0 kg
90001601 PRB-160 2 1615 160 mm 45 mm 35.5 mm 13 mm 22.5 mm 108–138 / 112–150 / 114–140 / 117–153 mm 69 mm M85x2 6.5 mm A 13x8, B 17x11, SPA, SPB 3.04 kg
90001801 PRB-180 2 2012 180 mm 45 mm 35.5 mm 13 mm 22.5 mm 128–158 / 132–170 / 134–160 / 137–173 mm 87 mm M110x2 12.5 mm A 13x8, B 17x11, SPA, SPB 3.8 kg
90002001 PRB-200 2 2012 200 mm 45 mm 35.5 mm 13 mm 22.5 mm 149–177 / 152–190 / 155–179 / 159–193 mm 87 mm M110x2 12.5 mm A 13x8, B 17x11, SPA, SPB 4.75 kg

Product Information

Material
Cast iron G20 UNI 5007

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