SWR 3V530 Ummantelte Keilriemen

The SWR 3V530 is a wrapped V-belt in section 3V (9N) to the US ARPM/MPTA standard, transmitting power by friction through its wedge flanks in the pulley groove. All three length datums at a glance: inside length Li 1,304 mm, datum length Ld 1,342 mm, outside length La 1,346 mm. When cross-referencing other brands, always compare the same length datum.

The cross-section measures 9.5 × 8 mm at a 40° wedge angle. Any V-belt of section 3V (9N) with datum length 1,342 mm is a drop-in replacement, regardless of brand. Key design data: minimum recommended pulley datum diameter 67 mm; weight 0.074 kg per metre. The fabric wrap protects the tension cord against abrasion, oil and ozone — the robust standard for industrial drives (belt speeds up to about 30 m/s).

The cross-section matches the metric section SPZ to DIN 7753-1 — always compare metric length datums when switching systems.