NATIONAL OFFICE SYSTEMS & SYSTEMATICS
 



HEAVY-DUTY CASTERS
  • Heavy loads keep on rolling with these rugged cold-forged constructed casters.
  • One-piece swivel horn/fork design with no welds distributes loads across the larger portion of the ball race.

One-piece combination lower ball race and king pin improves structure rigidity and easier swiveling. 3/4" king pin is orbital cold formed for superior strength and stability. Swivel casters feature grease seals, keeping dirt out of top raceway and increasing life. Epoxy powder-coated finish. Meets ASME B56.11-1 Industry Standards. FOB Shipping Point.

Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

Click on the Product No(s). below to view further information and order now!
SEMI-STEEL
Product No.Wheel SizeCap. (lbs.)O.A. HeightPrice Ea.
SWIVEL
HW26-4-IRB 4 x 2" 1000 5-5/8" $25.85
$24.56
HW26-5-IRB 5 x 2" 1000 6-1/2" $28.96
$27.51
HW26-6-IRB 6 x 2" 1200 8-1/4" $35.25
$33.49
HW26-8-IRB 8 x 2" 1200 9-1/2" $44.45
$42.23
RIGID
HW36-4-IRB 4 x 2" 1000 5-5/8" $20.51
$19.48
HW36-5-IRB 5 x 2" 1000 6-1/2" $23.13
$21.97
HW36-6-IRB 6 x 2" 1200 8-1/4" $30.00
$28.50
HW36-8-IRB 8 x 2" 1200 9-1/2" $39.52
$37.54
Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

RUBBER MOLD-ON
Product No.Wheel SizeCap. (lbs.)O.A. HeightPrice Ea.
SWIVEL
HW26-4-RT 4 X 2" 290 5-5/8" $22.48
$21.36
HW26-5-RT 5 x 2" 350 6-1/2" $24.90
$23.65
HW26-6-RT 6 x 2" 410 7-1/4" $26.51
$25.18
HW26-8-RT 8 x 2" 500 9-1/2" $31.28
$29.72
RIGID
HW36-4-RT 4 X 2" 290 5-5/8" $17.13
$16.27
HW36-5-RT 5 x 2" 350 6-1/2" $19.07
$18.12
HW36-6-RT 6 x 2" 410 7-1/4" $21.25
$20.19
HW36-8-RT 8 x 2" 500 9-1/2" $26.33
$25.01
Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

POLYURETHANE
Product No.Wheel SizeCap. (lbs.)O.A. HeightPrice Ea.
SWIVEL
HW26-4-PO 4 x 2" 600 5-5/8" $25.34
$24.07
HW26-5-PO 5 x 2" 700 6-1/2" $28.87
$27.43
HW26-6-PO 6 x 2" 1000 7-1/4" $30.87
$29.33
HW26-8-PO 8 x 2" 1200 9-1/2" $37.88
$35.99
RIGID
HW36-4-PO 4 x 2" 600 5-5/8" $20.00
$19.00
HW36-5-PO 5 x 2" 700 6-1/2" $23.07
$21.92
HW36-6-PO 6 x 2" 1000 7-1/4" $25.61
$24.33
HW36-8-PO 8 x 2" 1200 9-1/2" $32.96
$31.31
Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

PHENOLIC / CANVAS
Product No.Wheel SizeCap. (lbs.)O.A. HeightPrice Ea.
SWIVEL
HW26-4-MC 4 x 2" 800 5-5/8" $22.72
$21.58
HW26-5-MC 5 x 2" 1000 6-1/2" $24.69
$23.46
HW26-6-MC 6 x 2" 1200 7-1/4" $26.36
$25.04
HW26-8-MC 8 x 2" 1200 9-1/2" $31.73
$30.14
RIGID
HW36-4-MC 4 x 2" 800 5-5/8" $17.37
$16.50
HW36-5-MC 5 x 2" 1000 6-1/2" $18.87
$17.93
HW36-6-MC 6 x 2" 1200 7-1/4" $21.10
$20.04
HW36-8-MC 8 x 2" 1200 9-1/2" $26.81
$25.47
Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

THERMOPLASTIC / RUBBER
Product No.Wheel SizeCap. (lbs.)O.A. HeightPrice Ea.
SWIVEL
HW26-4TPR 4 x 2" 325 5-5/8" $24.99
$23.74
HW26-5TPR 5 x 2" 325 6-1/2" $27.28
$25.92
HW26-6TPR 6 x 2" 410 7-1/4" $30.15
$28.64
HW26-8TPR 8 x 2" 500 9-1/2" $34.87
$33.13
RIGID
HW36-4TPR 4 x 2" 325 5-5/8" $19.64
$18.66
HW36-5TPR 5 x 2" 325 6-1/2" $21.64
$20.56
HW36-6TPR 6 x 2" 410 7-1/4" $24.90
$23.65
HW36-8TPR 8 x 2" 500 9-1/2" $29.94
$28.44
Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

POLYURETHANE / ALUMINUM
Product No.Wheel SizeCap. (lbs.)O.A. HeightPrice Ea.
SWIVEL
HW26-4POAC 4 x 2" 800 5-5/8" $34.87
$33.13
HW26-5POAC 5 x 2" 900 6-1/2" $38.18
$36.27
HW26-6POAC 6 x 2" 1100 7-1/4" $46.78
$44.44
HW26-8POAC 8 x 2" 1200 9-1/2" $55.40
$52.63
RIGID
HW36-4POAC 4 x 2" 800 5-5/8" $29.43
$27.96
HW36-5POAC 5 x 2" 900 6-1/2" $32.39
$30.77
HW36-6POAC 6 x 2" 1100 7-1/4" $41.52
$39.44
HW36-8POAC 8 x 2" 1200 9-1/2" $50.54
$48.01
Top plate size: 4-1/2 x 6-1/4". Bolt hole spacing: 2-7/16 x 3-3/8" slotted to 4-15/16 x 5-1/4". Bolt hole size 3/8".

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