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- Crosby Regular Wire Rope Sheave Pulley Block with optional Shackle or Hook, WLL Range from 910kg to 6350kg
Crosby Regular Wire Rope Sheave Pulley Block with optional Shackle or Hook, WLL Range from 910kg to 6350kg
Western Diamond & Oval Pattern Regular Wire Rope Blocks.
Model:
T-641-B T-642-B / RWRB-2546
- Laser cut painted side plates (can be furnished galvanized upon request).
- Grade 5 bolts secured with lock washers and staked nuts.
- All sizes feature bronze bushed steel sheaves with larger bearing diameter for extended block life.
- New style hanger for fitting attachment.
- Available with hanger only (no fitting).
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
- Fitting Type: T - Hook with Latch; S - Round Pin Shackle; J - Oblong Eye; E - Swivel Shackle Ey
Diamon & Oval Wire Rope Block Types
Block Size (in.) | Fitting | Diamond Pattern with Bronze Bushed Steel Sheaves | Oval Pattern with Bronze Bushed Steel Sheaves | ||
641-B Single |
642-B Double |
661-B Single |
662-B Double |
||
4 | T | 781586 | 782193 | 791183 | 791593 |
6 | T | 781611 | 782219 | 791218 | 791619 |
8 | T | 781639 | 782237 | 791236 | 791637 |
10 | T | 781657 | 782255 | 791254 | 791655 |
4 | S | 785886 | 786199 | 795884 | 796197 |
6 | S | 785902 | 786206 | 795900 | 796204 |
8 | S | 785920 | 786224 | 795928 | 796222 |
10 | S | 785948 | 786242 | 795946 | 796240 |
6 | J | 782102 | 782503 | 791502 | 791904 |
8 | J | 782120 | 782521 | 791520 | 791922 |
10 | J | 782148 | 782549 | 791548 | 791940 |
6 | E | 782004 | 782406 | 791307 | 791708 |
8 | E | 782022 | 782424 | 791325 | 791726 |
10 | E | 782040 | 782442 | 791343 | 791744 |
Metric Specifications
Block Size (in.) | Sheave Size (mm) | Wire Rope Size (mm) | Working Load Limit (t)* | Weight Each (kg) | |||
Outside Diam. | Rim Thickness | 641 661 Single |
642 662 Double |
641 661 Single |
642 662 Double |
||
4 | 102 | 19.1 | 10 | 0.91 | 1.82 | 3.6 | 5 |
6 | 152 | 25.4 | 10 | 2.72 | 3.63 | 6.8 | 9.5 |
8 | 203 | 31.8 | 16 | 3.63 | 5.44 | 12.7 | 18.6 |
10 | 254 | 31.8 | 16 | 3.63 | 6.35 | 17.2 | 27.2 |
*Ultimate Load is 4 times the Working Load Limit
- Laser cut painted side plates (can be furnished galvanized upon request).
- Grade 5 bolts secured with lock washers and staked nuts.
- All sizes feature bronze bushed steel sheaves with larger bearing diameter for extended block life.
- New style hanger for fitting attachment.
- Available with hanger only (no fitting).
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
- Fitting Type: T - Hook with Latch; S - Round Pin Shackle; J - Oblong Eye; E - Swivel Shackle Ey
Diamon & Oval Wire Rope Block Types
Block Size (in.) | Fitting | Diamond Pattern with Bronze Bushed Steel Sheaves | Oval Pattern with Bronze Bushed Steel Sheaves | ||
641-B Single |
642-B Double |
661-B Single |
662-B Double |
||
4 | T | 781586 | 782193 | 791183 | 791593 |
6 | T | 781611 | 782219 | 791218 | 791619 |
8 | T | 781639 | 782237 | 791236 | 791637 |
10 | T | 781657 | 782255 | 791254 | 791655 |
4 | S | 785886 | 786199 | 795884 | 796197 |
6 | S | 785902 | 786206 | 795900 | 796204 |
8 | S | 785920 | 786224 | 795928 | 796222 |
10 | S | 785948 | 786242 | 795946 | 796240 |
6 | J | 782102 | 782503 | 791502 | 791904 |
8 | J | 782120 | 782521 | 791520 | 791922 |
10 | J | 782148 | 782549 | 791548 | 791940 |
6 | E | 782004 | 782406 | 791307 | 791708 |
8 | E | 782022 | 782424 | 791325 | 791726 |
10 | E | 782040 | 782442 | 791343 | 791744 |
Metric Specifications
Block Size (in.) | Sheave Size (mm) | Wire Rope Size (mm) | Working Load Limit (t)* | Weight Each (kg) | |||
Outside Diam. | Rim Thickness | 641 661 Single |
642 662 Double |
641 661 Single |
642 662 Double |
||
4 | 102 | 19.1 | 10 | 0.91 | 1.82 | 3.6 | 5 |
6 | 152 | 25.4 | 10 | 2.72 | 3.63 | 6.8 | 9.5 |
8 | 203 | 31.8 | 16 | 3.63 | 5.44 | 12.7 | 18.6 |
10 | 254 | 31.8 | 16 | 3.63 | 6.35 | 17.2 | 27.2 |
*Ultimate Load is 4 times the Working Load Limit
Products of Possible Interest
Crosby 'G417' & 'S417' Closed Spelter Sockets, WLL Range from 4500kg to 1,005,000kg
Crosby 'AS5' Eye and Eye Angular Swivel, WLL Range from 400kg to 31,500kg
Crosby 'S1' Jaw and Hook Swivel, WLL Range from 3000kg to 45,000kg
Crosby 'S287' Sliding Choker Hook, WLL Range from 2950kg to 4080kg
Crosby 'R7QL' QUIC-LINK Load Binder, Load Restraint Tensioner, WLL 3000kg
Crosby McKissick '430', '431' & '407' Super Champion Blocks, Hook Shackle or Tail Board Options, WLL option of 20,000kg or 30,000kg
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Regarding: Crosby Regular Wire Rope Sheave Pulley Block with optional Shackle or Hook, WLL Range from 910kg to 6350kg
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