• HIWIN QHH-CA/HA QH Quiet Heavy Load Linear Guideway Square Block
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HIWIN QHH-CA/HA QH Quiet Heavy Load Linear Guideway Square Block

HIWIN QHH-CA/HA QH Quiet Heavy Load Linear Guideway Square Block

HIWIN QHH-CA/HA blocks belong to the QH Series Quiet Heavy Load Linear Guideway, a low-noise heavy-load linear guideway with SynchMotion ball-linking technology. Codes list each block model by size and load type; rail length, preload and accuracy are specified at order.

Key features

  • SynchMotion linkage separates the balls for low noise and smooth motion
  • Four rows of balls in gothic-arch contact for high load capacity
  • Dimensions interchangeable with the HG series
  • Improved lubricant retention for longer service intervals
  • Interchangeable and non-interchangeable versions

Specifications

Series QH Series Quiet Heavy Load
Block type Square, top-mount
Sizes 15, 20, 25, 30, 35, 45
Accuracy classes C, H, P, SP, UP
Preload classes Z0, ZA, ZB
Order code Add preload, rail length and accuracy codes per catalogue
Units mm; load ratings in kN (1 kgf = 9.81 N)
Source HIWIN Linear Guideway Technical Information (G99TK02-1501), p. 98-113
QHH15CA Block W x L: 34 x 61.4 mm | Rail WR: 15 mm | C: 13.88 kN | C0: 14.36 kN | Block mass: 0.18 kg
QHH20CA Block W x L: 44 x 76.7 mm | Rail WR: 20 mm | C: 23.08 kN | C0: 25.63 kN | Block mass: 0.29 kg
QHH20HA Block W x L: 44 x 91.4 mm | Rail WR: 20 mm | C: 27.53 kN | C0: 31.67 kN | Block mass: 0.38 kg
QHH25CA Block W x L: 48 x 83.4 mm | Rail WR: 23 mm | C: 31.78 kN | C0: 33.68 kN | Block mass: 0.50 kg
QHH25HA Block W x L: 48 x 104 mm | Rail WR: 23 mm | C: 39.30 kN | C0: 43.62 kN | Block mass: 0.68 kg
QHH30CA Block W x L: 60 x 97.4 mm | Rail WR: 28 mm | C: 46.49 kN | C0: 48.17 kN | Block mass: 0.87 kg
QHH30HA Block W x L: 60 x 120.4 mm | Rail WR: 28 mm | C: 56.72 kN | C0: 65.09 kN | Block mass: 1.15 kg
QHH35CA Block W x L: 70 x 113.6 mm | Rail WR: 34 mm | C: 60.52 kN | C0: 63.84 kN | Block mass: 1.44 kg
QHH35HA Block W x L: 70 x 139.4 mm | Rail WR: 34 mm | C: 73.59 kN | C0: 86.24 kN | Block mass: 1.90 kg
QHH45CA Block W x L: 86 x 139.4 mm | Rail WR: 45 mm | C: 89.21 kN | C0: 94.81 kN | Block mass: 2.72 kg
QHH45HA Block W x L: 86 x 171.2 mm | Rail WR: 45 mm | C: 108.72 kN | C0: 128.43 kN | Block mass: 3.59 kg
Linear GuidesHIWIN
11 product codes available in this family
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HIWIN QHH-CA/HA QH Quiet Heavy Load Linear Guideway Square Block

Brand HIWIN·Linear Guides

Available part numbers (11)

QHH15CA, QHH20CA, QHH20HA, QHH25CA, QHH25HA, QHH30CA, QHH30HA, QHH35CA, QHH35HA, QHH45CA + 1 more — see full table ↓

How to order

Send the HIWIN part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
QHH15CABlock W x L: 34 x 61.4 mm | Rail WR: 15 mm | C: 13.88 kN | C0: 14.36 kN | Block mass: 0.18 kg
QHH20CABlock W x L: 44 x 76.7 mm | Rail WR: 20 mm | C: 23.08 kN | C0: 25.63 kN | Block mass: 0.29 kg
QHH20HABlock W x L: 44 x 91.4 mm | Rail WR: 20 mm | C: 27.53 kN | C0: 31.67 kN | Block mass: 0.38 kg
QHH25CABlock W x L: 48 x 83.4 mm | Rail WR: 23 mm | C: 31.78 kN | C0: 33.68 kN | Block mass: 0.50 kg
QHH25HABlock W x L: 48 x 104 mm | Rail WR: 23 mm | C: 39.30 kN | C0: 43.62 kN | Block mass: 0.68 kg
QHH30CABlock W x L: 60 x 97.4 mm | Rail WR: 28 mm | C: 46.49 kN | C0: 48.17 kN | Block mass: 0.87 kg
QHH30HABlock W x L: 60 x 120.4 mm | Rail WR: 28 mm | C: 56.72 kN | C0: 65.09 kN | Block mass: 1.15 kg
QHH35CABlock W x L: 70 x 113.6 mm | Rail WR: 34 mm | C: 60.52 kN | C0: 63.84 kN | Block mass: 1.44 kg
QHH35HABlock W x L: 70 x 139.4 mm | Rail WR: 34 mm | C: 73.59 kN | C0: 86.24 kN | Block mass: 1.90 kg
QHH45CABlock W x L: 86 x 139.4 mm | Rail WR: 45 mm | C: 89.21 kN | C0: 94.81 kN | Block mass: 2.72 kg
QHH45HABlock W x L: 86 x 171.2 mm | Rail WR: 45 mm | C: 108.72 kN | C0: 128.43 kN | Block mass: 3.59 kg

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