Miniature Self-Aligning Ball Bearings

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Miniature Self-Aligning Ball Bearings

The miniature self-aligning ball bearing series is designed for precision micro-machinery where shaft alignment is difficult to maintain. Featuring two rows of balls and a common sphered raceway in the outer ring, these bearings (including models 108, 126, 127, 129, and 135) can compensate for up to 3 degrees of static and dynamic misalignment without increasing friction or temperature.

Bore diameter
5 mm 6 mm 7 mm 8 mm 9 mm
Outside diameter
19 mm 22 mm 26 mm
Width
6 mm 7 mm 8 mm
Shoulder diameter inner ring
10.3 mm 10.309 mm 12.709 mm 14.8 mm
Shoulder diameter outer ring
15.4 mm 17.6 mm 20.4 mm
Limiting speed
38 X 1000 rpm 40 X 1000 rpm 45 X 1000 rpm
Radial dynamic load rating
556 lbf 565 lbf 596 lbf 878 lbf
Radial static load rating
108 lbf 126 lbf 183 lbf
Part Number Bore diameter Outside diameter Width For load direction Seal type Ring material Ball material Radial dynamic load rating Radial static load rating Limiting speed
135 5 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 565 lbf 108 lbf 45 X 1000 rpm
135 TN9 5 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 565 lbf 108 lbf 45 X 1000 rpm
135-TVH 5 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 565 lbf 108 lbf 45 X 1000 rpm
135TN 5 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 565 lbf 108 lbf 45 X 1000 rpm
126 6 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 556 lbf 108 lbf 45 X 1000 rpm
126 TN9 6 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 556 lbf 108 lbf 45 X 1000 rpm
126 TN9/W64 6 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 556 lbf 108 lbf 45 X 1000 rpm
126-TVH 6 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 556 lbf 108 lbf 45 X 1000 rpm
126TN 6 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 556 lbf 108 lbf 45 X 1000 rpm
127 TN9 7 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
127-TVH 7 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
108 TN9 8 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
108 TN9/C3 8 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
108-TVH 8 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
108-TVH-C3 8 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
108TN 8 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
108WA 8 mm 22 mm 7 mm Radial Open Chrome Steel Chrome Steel 596 lbf 126 lbf 40 X 1000 rpm
129 TN9 9 mm 26 mm 8 mm Radial Open Chrome Steel Chrome Steel 878 lbf 183 lbf 38 X 1000 rpm
129-TVH 9 mm 26 mm 8 mm Radial Open Chrome Steel Chrome Steel 878 lbf 183 lbf 38 X 1000 rpm
129TN 9 mm 26 mm 8 mm Radial Open Chrome Steel Chrome Steel 878 lbf 183 lbf 38 X 1000 rpm
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