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OHLA Overhung Load Adaptors Series 212k

OHLA Overhung Load Adaptors Series 212k

OHLA Overhung Load Adaptors Series 212k

Product catalog summary
Overview
The document provides technical specifications and features of the OHLA® Overhung Load Adaptors, specifically the 212k Series, manufactured by Zero-Max. These adaptors are designed to support heavy radial and axial loads, reducing downtime and maintenance costs while protecting the hydraulic motor or pump.

Specifications
  • Mounting: SAE A 2-bolt, can be face-mounted or foot-mounted.
  • Bearings: Deep Groove Ball Bearings.
  • Input Pilot Diameter: 82.55 mm with standard and deep pilot options.
  • Input Bore Diameter: 25.4 mm keyed with a bore depth of 58 mm.
  • Output Shaft: Diameter of 31.75 mm with a keyway of 6.35 mm x 3.18 mm.
  • Material: Stressproof Steel (1.0762) or equivalent.
  • Lubrication: Standard grease with a capacity of 15-30 ml, recommended NLGI #2 lithium base.
  • Maximum Speed: 3800 RPM without modification.
  • Housing: Made of cast iron with threaded holes for mounting.
  • Weight: 4.54 kg.

Features
  • Provides a sturdy mounting base for motors or pumps.
  • Protects pump or motor shaft seal from contaminants.
  • Available with adaptor mounting for DIN, ISO, IEC, or NEMA motors.

Ordering Information
The document includes a guide on how to order the 212k Series, specifying the model numbers and their corresponding output shaft and input bore keyway dimensions. Models with a "-DP" suffix indicate a deep pilot option with a depth of 6.35 mm compared to the standard 3.18 mm.
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Catalog excerpts

OHLA Overhung Load Adaptors Series 212k-1

OHLA® Overhung Load Adaptors Series 212k Features • SAE A 2-bolt mounting • Deep Groove Ball Bearings • May be either Face-mounted or Foot-mounted • Provides a sturdy mounting base for the motor or pump • Supports heavy radial and axial loads – protecting the hydraulic motor or pump • Reduces downtime and maintenance costs • Protects pump or motor shaft seal from harmful contaminants • Other versions with adaptor mounting for DIN, ISO, IEC or NEMA motors 212k Series Data Input Standard Input Pilot Diameter Input Pilot Depth Standard Housing 3.18 mm Deep Pilot (optional) 6.35 mm Input Pilot Sealing Method Buna-N Gasket Input Bore Diameter and Depth 25.4 mm keyed (bore depth 58 mm) Output Shaft Diameter Output Shaft Keyway Output Shaft Keyway Length Output Shaft Length Output Shaft Seal Type Double-lip with Garter Spring Output Pilot Diameter Output Pilot Height Shaft Material Stressproof Steel (1.0762) or an equivalent Bearing Type Deep Groove Ball Bearings Standard Lubrication Method Optional Lubrication Methods Please consult Zero-Max. Grease Fitting (1) Standard Zerk Fitting Grease Capacity Grease Type (recommended for typical applications) Recommended Grease Base Standard Mounting Orientation Shaft Horizontal – Consult Zero-Max for other Mounting Orientations. Maximum Speed Without Modification Housing Material Cast Iron Housing Feet – Threaded Holes Housing Grease Ports Press-fit Zerk Fitting Unit Weight

 Open the catalog to page 1
OHLA Overhung Load Adaptors Series 212k-2

Technical Information (all dimensions in mm) Input End View Side View 69.8569.85 (Standard (Standard Pilot)Pilot) 73.1573.15 (Deep(Deep Pilot)Pilot) Ø82.55 Ø82.5569.85 (Standard Pilot) Pilot Pilot 73.15 (Deep Pilot) Ø82.553.18 (Standard 3.18 (Standard Pilot Depth) Pilot Depth) Pilot 6.35 (Deep 6.35 (Deep Pilot Depth) Pilot Depth) Bottom View 3.18 (Standard Pilot Depth) 6.35 (Deep Pilot Depth) Standard 212k Series Daten Output Shaft – Keyway Input Bore – Keyway Note: Models with -DP on the end call out a Deep pilot option. Standard pilot depth is 3.18 mm and the Deep pilot depth is 6.35 mm.

 Open the catalog to page 2

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