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SCHATZ ABEC 7 Specifications and Tolerances

INNER RING

Specifications for Metric and Inch Ball Bearings (all tolerances shown are in .0001 inch)

Bore Diameter d

mm

Over

Bore Diameter d

mm

Incl.

Bore Diameter d

Inches

Over

Bore Diameter d

Inches

Incl.

Bore Tolerance Limits

dmin

Bore Tolerance Limits

dmax

Raceway Radial Runout* Width Variation Face Runout w/Bore* Raceway Axial Runout*
0 10 0 0.3937 -1.5 +0 1 1 1 1
10 18 0.3937 0.7087 -1.5 +0 1 1 1 1
18 30 0.7087 1.1811 -2 +0 1 1 1.5 1.5
30 50 1.1811 1.9685 -2.5 +0 1.5 1 1.5 1.5
50 80 1.9685 3.1496 -3 +0 1.5 1.5 2 2
80 120 3.1496 4.7244 -3 +0 2 1.5 2 2
120 150 4.7244 7.0866 -4 +0 2.5 2 2.5 3
150 180 4.7244 7.0866 -4 +0 2.5 2 2.5 3
180 250 7.0866 9.8425 -4.5 +0 3 2.5 3 3

OUTER RING

Specifications for Metric and Inch Ball Bearings (all tolerances shown are in .0001 inch)

Bore Diameter d

mm

Over

Bore Diameter d

mm

Incl.

Bore Diameter d

Inches

Over

Bore Diameter d

Inches

Incl.

Outside Diameter Tolerance Limits

Open Bearings

Dmax

Outside Diameter Tolerance Limits

Open Bearings

Dmin

Outside Diameter Tolerance Limits

Shielded/Sealed Bearings

Dm

High

Outside Diameter Tolerance Limits

Shielded/Sealed Bearings

Dm

Low

Outside Diameter Tolerance Limits

Shielded/Sealed Bearings

Dmax

Outside Diameter Tolerance Limits

Shielded/Sealed Bearings

Dmin

Raceway Radial Runout* Width Variation Face Runout w/OD* Raceway Axial Runout*
0 18 0 0.7078 +0 -1.5 +0 -1.5 +1 -2.5 1 1 1.5 2
18 30 0.7078 1.1811 +0 -2 +0 -2 +1 -3 1.5 1 1.5 2
30 50 1.1811 1.9685 +0 -2.5 +0 -2.5 +2 -4.5 2 1 1.5 2
50 80 1.9685 3.1496 +0 -3 +0 -3 +2 -5 2 1 1.5 2
80 120 3.1496 4.7244 +0 -3 +0 -3 +3 -6 2.5 1.5 2 2.5
120 150 4.7244 5.9055 +0 -3.5 +0 -3.5 +3 -6.5 3 2 2 3
150 180 5.9055 7.0866 +0 -4 +0 -4 +3 -7 3 2 2 3
180 250 7.0866 9.8425 +0 -4.5 +0 -4.5 +4 -8.5 4 3 3 4
250 315 9.8425 12.4015 +0 -5 4.5 3 3 4

WIDTH TOLERANCES

Specifications for Metric and Inch Ball Bearings (all tolerances shown are in .0001 inch)

Bearings Other Than Duplex Width of Individual Inner or Outer Ring

Inner Ring Bore

mm

Over

Inner Ring Bore

mm

Incl.

Inner Ring Bore

Inches

Over

Inner Ring Bore

Inches

Incl.

Width Tolerance Limits Width Tolerance Limits
0 10 0 0.3937 +0 -16
10 18 0.3937 0.7078 +0 -32
18 180 0.7078 7.0866 +0 -50
180 315 7.0866 12.4015 +0 -100

Duplex Bearings Total Width of Inner or Outer Ring*

Inner Ring Bore

mm

Over

Inner Ring Bore

mm

Incl.

Inner Ring Bore

Inches

Over

Inner Ring Bore

Inches

Incl.

Width Tolerance Limits Width Tolerance Limits
0 80 0 3.1496 +0 -200
80 180 3.1496 7.0866 +0 -300
180 315 7.0866 12.4015 +0 -400

* If other than a pair of bearings is involved, the tolerances are in proportion to the number of bearings.

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