Ballscrew - Spacer - Installation

Applies to machines built from: 
September, 2015
AD0250 Rev C
This document tells you when to install a spacer when you replace a ballscrew.
32 mm Ballscrew - Standard Anchor - Bearing - Identification

When you install a new 32 mm ballscrew into bearing P/N 51-0213A you must install a spacer. Refer to these images to identify the installed bearing.

  • P/N 30-0154 has a black oxide finish.
  • Do not install a spacer when you install a 32 mm ballscrew into bearing P/N 30‑0154.
  • P/N 51-0213A has a machined steel finish on the bearing. The flange is black. The spacer is included.
  • Install the included spacer when you install a 32 mm ballscrew into bearing P/N 51-0213A.
32 mm Ballscrew - Reverse Anchor - Bearing - Identification

When you install a new 32 mm ballscrew into bearing P/N 51-0213A you must install a spacer. Refer to these images to identify the installed bearing.

  • P/N 30-0154 has a black oxide finish.
  • Do not install a spacer when you install a 32 mm ballscrew into bearing pack P/N 30‑0154.
  • P/N 51-0213A has a machined steel finish on the bearing. The flange is black. The spacer is included.
  • Install the included spacer when you install a 32 mm ballscrew into bearing P/N 51‑0213A.
40/50 mm Ballscrew - Standard Anchor - Bearing - Identification

When you install a new 40/50 mm ballscrew into bearing pack P/N 30-1222 you must install a spacer. Refer to these images to identify the installed bearing.

  • P/N 30-1222 has a black oxide finish.
  • Install spacer P/N 51-0241 when you install a new 40/50 mm ballscrew into bearing pack P/N 30‑1222.
  • Install spacer P/N 20-9213 in the same position on the motor end.
  • Install only (1) of the spacers P/N 20-0309 on the support end.
  • P/N 51-0232 has a machined steel finish.
  • Install spacer P/N 20-0309 in the same position on the motor end.
  • Do not install the spacer P/N 51-0241 when you install a new 40/50 mm ballscrew into bearing P/N 51-0232.
  • The support end has only (1) spacer P/N 20-0309.
40/50 mm Ballscrew - Reverse Anchor - Bearing - Identification

When you install a new 40/50 mm ballscrew into bearing P/N 51-0232 you must install a spacer. Refer to these images to identify the installed bearing.

  • P/N 30-5811 has a black oxide finish.
  • Install spacer P/N 20-9213 in the same position on the support end.
    note: You do not have to remove the bearing to install the ballscrew.
  • P/N 51-0232 has a machined steel finish.
  • Install spacer P/N 20-0309 in the same position on the support end.
  • Install spacer P/N 51-0243 in the same position when you install a new 40/50 mm ballscrew into bearing P/N 51‑0232.
50 mm Large Ballscrew - Standard Anchor - Bearing - Identification

When you install a new 50 mm large ballscrew into bearing P/N 51-10067 you must install a spacer. Refer to these images to identify the installed bearing.

  • The bearing assembly has P/N 20-10102 that has a black oxide finish and (2) P/N 51-10067 bearings.
  • Install only (1) of the spacers P/N 20-0309 on the support end.
  • Install spacer P/N 51-0242 when you install a new 50 mm large ballscrew into a bearing assembly that has P/N 20-10102 and (2) P/N 51‑10067 bearings.
  • P/N 51-0237 has a machined steel finish.
  • The support end has only (1) spacer P/N 20-0309.
  • Do not install spacer P/N 51-0242 when you install a new 50 mm large ballscrew into bearing P/N 51‑0237.

Be aware: Many service and repair procedures should be done only by authorized personnel. The service technicians at your Haas Factory Outlet (HFO) have the training, experience, and are certified to do these tasks safely and correctly. You should not do machine repair or service procedures unless you are qualified and knowledgeable about the processes.

Danger: Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not completely understand. Contact your Haas Factory Outlet (HFO) and schedule a service technician visit if you have any doubts about doing a procedure.

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