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OVR Polyethylene Tensioning Sliding Blocks

OVR (sliding blocks) are part of the tensioner for tensioning of chains during operation.

They consist of a sliding segment made of special highly resistant and abrasion-resistant plastic and a fastening screw. It is attached to the lever of the universal tensioner with a screw.

It is a universal flexible element that can simultaneously perform the functions of suspension, guidance, tensioning and damping.

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OVR 10-1 Duplex - for 06B-1 Chain (Screw M8) Tensioning Sliding Block

OVR 10-1 Duplex - for 06B-1 Chain (Screw M8)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

32.86 excl. VAT

39.76 incl. VAT

OVR 10-1 Simplex - for 06B-1 Chain (Screw M8) Tensioning Sliding Block

OVR 10-1 Simplex - for 06B-1 Chain (Screw M8)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

17.78 excl. VAT

21.51 incl. VAT

OVR 20-2 Duplex - for 08B-2 Chain (Screw M10) Tensioning Sliding Block

OVR 20-2 Duplex - for 08B-2 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

43.23 excl. VAT

52.31 incl. VAT

OVR 20-2 Simplex - for 08B-1 Chain (Screw M10) Tensioning Sliding Block

OVR 20-2 Simplex - for 08B-1 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

22.23 excl. VAT

26.89 incl. VAT

OVR 30-2 Duplex - for 08B-2 Chain (Screw M10) Tensioning Sliding Block

OVR 30-2 Duplex - for 08B-2 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

43.73 excl. VAT

52.91 incl. VAT

OVR 30-2 Simplex - for 08B-1 Chain (Screw M10) Tensioning Sliding Block

OVR 30-2 Simplex - for 08B-1 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

22.23 excl. VAT

26.89 incl. VAT

OVR 30-3 Duplex - for 10B-2 Chain (Screw M10) Tensioning Sliding Block

OVR 30-3 Duplex - for 10B-2 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

56.57 excl. VAT

68.44 incl. VAT

OVR 30-3 Simplex - for 10B-1 Chain (Screw M10) Tensioning Sliding Block

OVR 30-3 Simplex - for 10B-1 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

29.40 excl. VAT

35.58 incl. VAT

OVR 30-4 Duplex - for 12B-2 Chain (Screw M10) Tensioning Sliding Block

OVR 30-4 Duplex - for 12B-2 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

69.14 excl. VAT

83.66 incl. VAT

OVR 30-4 Simplex - for 12B-1 Chain (Screw M10) Tensioning Sliding Block

OVR 30-4 Simplex - for 12B-1 Chain (Screw M10)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

35.33 excl. VAT

42.75 incl. VAT

OVR 40-4 Duplex - for 16B-2 Chain (Screw M12) Tensioning Sliding Block

OVR 40-4 Duplex - for 16B-2 Chain (Screw M12)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

70.13 excl. VAT

84.86 incl. VAT

OVR 40-4 Simplex - for 16B-1 Chain (Screw M12) Tensioning Sliding Block

OVR 40-4 Simplex - for 16B-1 Chain (Screw M12)

Tensioning Sliding Block

Out of Stock

Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

36.05 excl. VAT

43.63 incl. VAT


Sliding Blocks Construction

OVR Tensioning Sliding Block Construction

  1. Sliding block made of plastic
  2. Fixing screw with nut and washer

Sliding Blocks Fields of Use

OVR (sliding blocks) are designed for tensioning of common industrial roller chains in all industries.

Typical application is small and medium-sized roller chains – for conveyors, roller conveyors, handling equipment, construction machinery, in the woodworking industry, packaging machines or in the food industry.

The special oval shape of the OVR sliding block allows its use on both sides.

Sliding Blocks Characteristics

  • They perform damping, guiding and tensioning function
  • Simple construction, easy installation
  • They extend service life and reduce wear
  • They reduce vibration and transmission noise
  • Operating temperatures from −40 °C to +80 °C (operating temperature of a sliding block ≤ 70 °C)
  • Maintenance-free design
  • Operating speed ≤ 20 m/min

Sliding Blocks Material

Polyethylene sliding block with high molecular weight.

Sliding Blocks Code Description

Example:
OVR 40-4 Duplex

Code Part Description
OVR

Sliding block

40-4

Size

Duplex

For double-row roller chain 3/4" × 7/16"

Notice

The tensioning arm is not included and must be ordered separately.

When ordering a complete chain tensioner, always order the FE or RE tighteners element and the corresponding tension element. For chains it is ZK or OVR.

Documents for Download

Dimensions and Parameters of OVR Sliding Blocks - Preview

Dimensions and Parameters of OVR Sliding Blocks

TYMA CZ Data Sheets

Czech and English (PDF 153.26 kB)

Sprockets and Plate Wheels - Preview

Sprockets and Plate Wheels

TYMA CZ Catalogue

Czech and English (PDF 3.77 MB)