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Unit of Measure

Specifications

Bore Size

20 mm

Bearing Style

NA – Food Safe

Bearing Number

NAU4LK204

Housing Material

White Thermoplastic (Polymer)

DoubleLock® Style

Standard

Housing Construction

Four-Bolt Square Flange

Dimensions

Total Length L

3.386 in86.0 mm

Total Height L

3.386 in86.0 mm

Width A0

1.587 in40.3 mm

Bolt Hole Spacing J

2.500 in63.5 mm

Base Thickness A1

0.528 in13.4 mm

Housing Width A

1.122 in28.5 mm

Bolt Hole Size N

0.433 in11.0 mm

Center of Bearing from Housing End A2

0.709 in18.0 mm

Center of Bearing from Bearing End S

0.437 in11.1 mm

Locking Sleeve Width B1

1.346 in34.2 mm

Locking Collar Outside Diameter d1

1.614 in41.0 mm