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TECMA DRIVE
191 part numbers in one category.
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TECMA DRIVE slewing rings
Choose from three gear types and three constructions. Find the card that matches your ring and open the part number's page; a series such as E.20.00.B groups the part numbers built the same way.
Complete list: 157 slewing rings Slewing rings explained: what they are and how to choose one
External gear
The outer ring carries the gear teeth, and the pinion engages the ring from outside. Part numbers begin with E.
Single-row ball
Balls with four-point contact let a single bearing carry axial and radial loads plus tilting moment. Comes with solid rings (B) or flanged rings (C).
Series E.20.00.B
Series E.20.00.C
Double-row ball
Built for high combined loads and severe duty, these special versions use two ball rows, each with four-point contact.
Crossed roller
14 mm cylindrical rollers set alternately at 90° give stiffness and rotational accuracy in a compact height. Light R-ZT series.
Internal gear
The inner ring carries the gear teeth, and the pinion engages the ring from inside. Part numbers begin with I.
Single-row ball
Balls with four-point contact let a single bearing carry axial and radial loads plus tilting moment. Comes with solid rings (B) or flanged rings (C).
Series I.20.00.B
Series I.20.00.C
Series I.25.00.B
Double-row ball
Built for high combined loads and severe duty, these special versions use two ball rows, each with four-point contact.
Crossed roller
14 mm cylindrical rollers set alternately at 90° give stiffness and rotational accuracy in a compact height. Light R-ZT series.
Gearless
Neither ring is toothed: the slewing ring guides the rotation while a separate mechanism drives it. Part numbers begin with SD.
Single-row ball
Balls with four-point contact let a single bearing carry axial and radial loads plus tilting moment. Comes with solid rings (B) or flanged rings (C).
Series SD.20.00.B
Series SD.20.00.C
Double-row ball
Built for high combined loads and severe duty, these special versions use two ball rows, each with four-point contact.
Special versions
Crossed roller
14 mm cylindrical rollers set alternately at 90° give stiffness and rotational accuracy in a compact height. Light R-ZT series.
There are more part numbers in the complete list: special versions and catalog series from the manufacturer whose construction details we haven't entered yet.
TECMA DRIVE slew drives
A single assembly with slewing ring, worm and housing, ready for the motor to be mounted. TECMA DRIVE offers eight families; any without listed part numbers yet are quoted from your application data.
Complete list: 34 slew drives Slew drives explained: what they are and how to choose one
Standard TD-E
Worm with a motor input at either end, cataphoresis-coated housing sealed to IP65 (IP66 as an option) and a QPQ-treated ring. Can be fitted with position sensors and custom motors.
Reinforced TD-W
Extra mounting holes in the housing distribute the load and increase tilting resistance. The motor goes on one end, with a hex on the other for turning it by hand.
Double worm
Two worms acting on one ring reduce backlash, improve self-locking and let the teeth carry more load than with a single worm.
Not listed by part number yet: send your application data and we'll quote it.
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Open version
Without an enclosed housing it weighs less and is easier to inspect and service. Meant for indoor or weather-protected installations.
Not listed by part number yet: send your application data and we'll quote it.
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Double-row ball
A two-row ball ring adds axial and radial load capacity and tilting stiffness, for cranes, drilling rigs and heavy equipment.
Not listed by part number yet: send your application data and we'll quote it.
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Aluminum
Light, compact anodized aluminum housing that resists corrosion, with motor input on either side. Built for aerial work platforms.
Not listed by part number yet: send your application data and we'll quote it.
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Solar TV type
Vertical-axis solar trackers use this vertical version: precision ring, custom gearmotor, IP66 rating, reinforced seals and lifetime lubrication.
Not listed by part number yet: send your application data and we'll quote it.
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SealTech
For very severe duty: QPQ treatment plus galvanizing, gear teeth machined to precision, HNBR seals, an IP65/IP66 rating and paint rated C3M/C5M against corrosion.
Not listed by part number yet: send your application data and we'll quote it.
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These slew drives also appear in the TECMA DRIVE catalog without a family assigned. Send us the part number and we'll quote it.
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Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
TECMA DRIVE technical articles
- How to Identify and Verify a Tecma Drive Slewing Ring Part Number
Tecma Drive slewing rings are identified by a specific part number format. This guide explains where to find the number on the part, how to transcribe it exactly, and what details to include when requesting a quote.
Send us your TECMA DRIVE part number
The manufacturer part number is all we need: we'll quote it and suggest equivalents.