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Allen Lightweight Plain Bearing Blocks

Allen Lightweight Plain Bearing Blocks

Allen lightweight plain bearing blocks are made of grade 316 stainless steel. A very attractive yet simple block, it is available with either brass or acetal sheaves.

Part No. Description Length Line Diameter Shackle Pin  Breaking Load Weight
mm in mm in mm in kg lbs g oz
HA4078 16mm Single with Acetal Sheave 26 1.02 2 -5 1/16 - 3/16 4 5/32 275 606 5 .18
HA4080 16mm Single with Brass Sheave 26 1.02 2 -5 1/16 - 3/16 4 5/32 275 606 10 .35
HA4081 16mm Double 30 1.18 2 -5 1/16 - 3/16 4 5/32 275 606 10 .35
HA4181 16mm Cheek 30 1.18 2 -5 1/16 - 3/16 4 5/32 275 606 6 .21
HA4301 16mm Through Deck Double Lead 38 1.50 2 -5 1/16 - 3/16 - - 275 606 16 .56
HA4401 16mm Through Deck Brass Double Lead 38 1.50 2 -5 1/16 - 3/16 - - 275 606 27 .95
HA4501 16mm Through Deck Guide 16 .63 2 -5 1/16 - 3/16 - - 275 606 7 .25
HA4601 16mm Through Deck Brass Guide 16 .63 2 -5 1/16 - 3/16 - - 275 606 13 .46
HA4778 25mm Double 51 2.01 4 -8 5/32 - 5/16 4 5/32 400 882 35 1.2
HA4093 25mm Single with Becket 48 1.89 4 -8 5/32 - 5/16 4 5/32 400 882 20 .71
HA4178 25mm Single 41 1.61 4 -8 5/32 - 5/16 - - 400 882 13 .46
HA4178E 25mm Single with Hook 71 2.80 4 -8 5/32 - 5/16 - - 400 882 38 1.3


HA4078 16mm Single Mini Block Price: $6.20 HA4080 16mm Single Mini Block With Brass Sheave Price: $8.81
HA4081 16mm Mini Double Block Price: $12.32 HA4093 25mm Single Block w/Becket Price: $12.32
HA4178 25mm Single Block Price: $8.96 HA4178E 25mm Single Block w/Hook Price: $24.03
HA4181 16mm Mini Cheek Block Price: $8.18 HA4301 16mm Thru Deck Double Lead Block Price: $16.39
HA4401 16mm Thru Deck Double Lead Block Brass Sheave Price: $34.72 HA4501 16mm Thru Deck Guide Block Price: $14.74
HA4601 16mm Thru Deck Guide Block Brass Sheave Price: $24.31 HA4778 25mm Double Block Price: $19.37


Allen Plain Bearing Blocks

Allen Plain Bearing Blocks

Holt Allen plain bearing nylon composite sheet blocks can be used in a number of applications. They have been adopted by the Laser class as the block of choice for use on the mainsheet system. Axle made of 316 stainless steel. Cheeks are composite filled nylon with 316 stainless steel straps.

Part No. Description Length Line Diameter Safe Working Load  Breaking Load Weight
mm in mm in kg lbs kg lbs g oz
HA178 29mm Single, Bullet 48 1.89 8 5/16 140 309 250 551 13 .046
HA17874 29mm Single with Ingerfield clip 69 2.72 8 5/16 140 309 250 551 23 .811
HA278 38mm Single, Bullet 66 2.60 10 13/32 155 342 300 661 36 1.27
HA27874 38mm Single with Ingerfield clip 86 3.39 10 13/32 155 342 300 661 45 1.59
HA378 38mm Single with Becket 85 3.35 10 13/32 155 342 300 661 38 1.34


HA178 29mm Single Bullet Block - Grey Price: $6.48 HA17874 29mm Single (Lower (Small) Traveler Block) Price: $10.58 - $10.84
HA278 38mm Single Bullet Block Price: $10.71 - $12.92 HA27874 38mm Single (Upper (Large) Traveler Block) Price: $16.21
HA378 Bullet Block with Becket Price: $15.24


Allen Plain Bearing V Cleats

Allen Plain Bearing V Cleats

Holt Allen's plain bearing blocks are available in 25mm sheave diameter. The V cleats are very simple and lightweight. Made of acetal resin. Both cheeks and axles are grade A 316 stainless steel. V cleat fiddle block is available with or without the hook.

Part No. Description Length Line Diameter Shackle Pin  Breaking Load Weight
mm in mm in mm in kg lbs g oz
HA4165 25mm V Cleat Fiddle 72.8 2.87 4 - 6 5/32 - 1/4 5 3/16 600 1323 38 1.34
HA4165E 25mm V Cleat Fiddle with Hook 104.5 4.11 4 - 6 5/32 - 1/4 - - 200 441 61 2.15


HA4165 V Cleat Fiddle Block Price: $23.81 HA4165E V Cleat Fiddle Block w/Hook Price: $37.37

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