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SERIES R21

Light Medium Duty Plate

Capacity to 150 Pounds

Caster Features:

  • Finish: bright zinc plating to resist corrosion.
  • Construction: heavy gauge cold rolled steel, for strength.
  • Bearings: double ball bearings with hardened swivel raceways.
  • Axle: 5/16” diameter bolt with lock nut.



CR21K04SX0X.POX KKNX

Caster options:

Order ID Description
CR...SXTX Top Lock Brake (TLB)

Mounting options:

Order ID Top Plate Size Bolt Hole Spacing Bolt Size
CR21K 2-3/8" x 3-5/8” 1-3/4" x 3” 5/16”

Wheels options:

Black Polyolefin Plain Bearing Gray Rubber On Polyolefin Plain Brg
POXKKNX RPFGGNX

Caster specifications:

Wheel Diameter Inches Tread Width Inches Wheel Tread Material Wheel Color Wheel Bearing Cap in lbs Load Height Inches Rigid or Swivel
SES Caster Ordering Number
SES Web Price Per Item
3 1 Polyolefin Black Plain 125 3 3/4 Rigid CR21K03RX0X.POXKKNX $2.00
3 15/16 Rubber on Polyolefin FT Gray on Gray Plain 125 3 3/4 Rigid CR21K03RX0X.RPFGGNX $3.28
3 1 Polyolefin Black Plain 125 3 3/4 Swivel CR21K03SX0X.POXKKNX $2.86
3 15/16 Rubber on Polyolefin FT Gray on Gray Plain 125 3 3/4 Swivel CR21K03SX0X.RPFGGNX $4.13
4 1 Polyolefin Black Plain 150 4 3/4 Rigid CR21K04RX0X.POXKKNX $2.81
4 15/16 Rubber on Polyolefin FT Gray on Gray Plain 150 4 3/4 Rigid CR21K04RX0X.RPFGGNX $3.77
4 1 Polyolefin Black Plain 150 4 3/4 Swivel CR21K04SX0X.POXKKNX $3.41
4 15/16 Rubber on Polyolefin FT Gray on Gray Plain 150 4 3/4 Swivel CR21K04SX0X.RPFGGNX $4.37
5 1 Polyolefin Black Plain 150 5 3/4 Rigid CR21K05RX0X.POXKKNX $3.12
5 15/16 Rubber on Polyolefin FT Gray on Gray Plain 150 5 3/4 Rigid CR21K05RX0X.RPFGGNX $4.00
5 1 Polyolefin Black Plain 150 5 3/4 Swivel CR21K05SX0X.POXKKNX $3.80
5 15/16 Rubber on Polyolefin FT Gray on Gray Plain 150 5 3/4 Swivel CR21K05SX0X.RPFGGNX $4.68