TWN20OPN-NBA

TWN20OPN-NBA
Super Ball Bushing Bearing

SUPER, Ball Bushing Bearing Twin Pillow Block, 1.250 in, Open, Self-Aligning, Adjustable, Open Type for continuously supported applications, Not Corrosion Resistant, Integral Double Acting Seals

Lead Time:  Next Day Lead times may increase with higher quantities. Lead time displayed in business days.

  • The Super Ball Bushing bearing is self-aligning, lightweight and adjustable with a low coefficient of friction.
  • The wear-resistant, engineered-polymer retainers and outer sleeves reduce inertia and noise in critical, high speed applications.
  • Radially floating bearing plates. When installed in an adjustable housing, the Super Ball Bushing Bearing may be adjusted to a specific diametrical fit-up for accurate and repeatable movement.

Dimensions

Dimensions
Dimension Value
A 101.60 mm (4.000 in)
a 30.00 ° (30.000 °)
A1 38.10 mm (1.500 in)
A2 41.40 mm (1.630 in)
B 190.50 mm (7.500 in)
d 31.75 mm (1.250 in)
E 15.75 mm (0.620 in)
E1 88.90 mm (3.500 in)
E2 139.70 mm (5.500 in)
F1 11.18 mm (0.440 in)
G 38.10 mm (1.500 in)
G1 95.25 mm (3.750 in)
G2 1/4-28
H 38.10 mm (1.500 in)
H1 63.50 mm (2.500 in)
N 5.59 mm (0.220 in)
N #10

Specifications

Specification Value
Adjustable/Not Adjustable Adjustable
Closed/Open Open
Nylon Ball or Alternating Nylon Ball Alternating Nylon Balls
Roll Pack No Roll Pack
Food Grade Rated Not Food Grade
Self Alignment Self-aligning
Single/Twin Twin
Temperature Max 85 °C / 185 °F
Use with shafting class L
Wipers, Seals
Weight 1.905 kg / 4.2 lbs
Nominal Diameter 31.750 mm / 1.25 in
Length 190.500 mm / 7.5 in
Height 63.500 mm / 2.5 in

Performance

Performance Value
Load Capacity, Dynamic 5,204.419 N / 1170 lbf

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