Crosby 385B, 390B Blocks

SKU: GRRR310 Category:

Product details

  • New style blocks feature higher working load limits.
  • Painted or galvanized steel with replaceable wood bumpers.
  • Side plate opens for insertion of wire rope.
  • Incorporates exclusive bolt retaining spring to assure no lost bolts, plus utilizes secondary retaining pin.
  • Bronze bushed sheaves with large bearing diameter for extended block life.
  • Utilizes Crosby "N" style hooks with integrated latch.
  • Lubricated center pin.
  • 10" and 12" sizes utilize steel sheaves.
  • Meets or exceeds all requirements of ASME B30.26. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.

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385B, 390B Blocks

Sheave Diameter (in)Manila Rope Size (in)Working Load Limit (Tons)Weight Each (lb)
3.00-27
4.00-413
6.00-828
8.00-834
3.00-27
4.00-413
6.00-828
8.00-834
3.00-27
4.00-413
6.00-828
8.00-834
Sheave Diameter (mm)Manila Rope Size (mm)Working Load Limit (t)Weight Each (kg)
76.2---
101.6---
152---
203---
76.2---
101.6---
152---
203---
76.2---
101.6---
152---
203---

Fitting Type : T - Swivel Latch Hook; J - Yoke and Oblong Swivel Eye; G - Yoke and Swivel Shackle