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20mm Plain Bearing Blocks

Allen 20mm plain bearing blocks offer good static loading capabilities at a low weight and cost. The ideal choice for systems which are not fast running or need constant adjustment. Made using recycled materials and featuring a grey sheave to differentiate it from the dynamic block range.


Plain BearingRecycled plastic sheave which spins around a stainless steel axle.


Ultra-Strap – A stainless steel strap which holds the block together and provides a strong, reliable and rope friendly attachment point.


Becket – The hole through the middle of the block can be used as a tying off point (becket).


Breaking Load – The load at which a major block failure is likely to occur. 

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SKU Title breaking load kgfixing hole centres mmlength mmmaximum line diameter mm Weight g Price
A2020P Plain Bearing Single 540-376 10 £7.08
A2020P-4035 Plain Bearing Single With P-Clip 540-62.46 13.9 £11.28
A2020P-4036 Plain Bearing Single With Lacing Eye 540-526 13.9 £12.61
A2020PLZ Plain Bearing Stand Up Block 540-436 14.3 £15.67
A2020PSC Plain Bearing Block With Swivel 350-536 18 £23.81
A2020PSHK Plain Bearing Single With Swivel Hook 350-57.76 17.9 £23.10
A2020PTi3 Plain Bearing Ti3-On 540-296 7 £7.08
A2020PTII Plain Bearing Tii-On 540-296 7 £7.08
A2021P Plain Bearing Multi-Function Single 350-356 10.4 £8.63
A2021PHK Plain Bearing Single Block With Hook 165-65.56 16.4 £14.45
A2022P Plain Bearing Double Block 500-47.66 29.4 £23.88
A2022PSHK Plain Bearing Double With Swivel Hook 500-57.76 32 £42.74
A2023P Plain Bearing Double Block With Becket 500-596 31.2 £25.15
A2024P Plain Bearing Triple Block 650-50.16 44.6 £34.67
A2025P Plain Bearing Triple Block With Becket 650-666 49.6 £38.36
A2026P Plain Bearing Cheek Block 350-456 14.2 £14.00
A2121P Plain Bearing Through Deck Single 40042546 10.8 £20.20
A2122P Plain Bearing Double Through Deck Block 35063756 20 £27.59