230 SERIES SPHERICAL DIAMETERS

Maximum Measuring Accuracy
Linear ≤ ±0.000040″ (0.001 mm)
Repeatability ≤±0.000010″ (0.00025 mm)
Gage R & R capability ≤10% when
measuring high accuracy parts.

Description

Notable Features
 Accuracy and range.
 2 spring-loaded, retractable, selfcentering bases align gage in part.
 Rugged 24/7 gages designed for production use.
 Customized standards. Contact Dyer with your application.

Ideal Applications
 Bearing seats of pillow block housings.
 Valve housings.
 Ball joints.
 Bearing raceways of outer rings.

Range  Inch Range mm Measuring  Depth Order No.

Complete

Set*

Order No. with one

Extension**

0.551–0.787 14–20 4.33″ 230-001 230-101
0.787–1.378 20–35 4.33″ 230-002 230-102
1.102–1.772 28–45 5.51″ 230-003 230-103
1.772–4.138 45–105 7.09″ 230-004 230-104
2.953–5.118 75–130 7.09″ 230-005 230-105
5.118–11.024 130–280 9.06″ 230-006 230-106

A. Permanently fixed, spring-loaded, centering plate with moveable contact which transmits the measurement to the indicator. Contains a spherical ring segment whose size is determined by the range.
B. Removable, spring-loaded centering plate with fixed contact. This base has a self-centering contact surface with a spherical radius centering base.
C. Gage includes standard interchangeable range extensions that allow the operator to measure any diameter within the specified gage measuring range.

Gage can also be ordered with one interchangeable range extension to measure a specific diameter.