4 series top plate swivel & rigid up to 1250 lbs

Standard Features:

  • Attractive zinc plated finish
  • Full double ball hardened raceways
  • 1/2" hollow axle with grease zerk and lock nut
  • Plastic seal/retainer washer (roller bearing models)
  • 1/4" steel top plate for durability
  • Permanent rivet king pin with 5/8" diameter rivet
  • Grease fittings: wheel bearing and swivel raceway
  • "Colson 45" multi-temp grease lubricates in extreme hot and cold temperatures

All 4 Series swivel forks are notched to accommodate four position swivel locks.

Optional Top Plates:

#2 Top Plate (Specify MTG2).
#4 Top Plate (Specify MTG4).

Caster Brake:

Tech Lock® - Available on all swivel casters except 3-1/4" diameter, V-Groove and Swivel Lock models. 6" Rigid model available (Specify BRK2).

Tread Lock - Available on all swivel casters except 3-1/4" diameter and V-Groove models (Specify BRK1).

Side Lock - Available on all swivel roller bearing and one piece Delrin models except 3-1/4" diameter (Specify BRK3).

Total Lock - Available on 4", 5", 6" & 8" swivel models except V-Groove (Specify BRK4).

Top Lock - Availalbe on 4", 5", 6" & 8" swivel models except V-Groove (Specify BRK7).
Fork/Wheel Options:
Foot Activated Swivel Lock - Available on all swivel casters with standard top plate (Specify MTG81).

Hand Activated Swivel Lock - Available on on all swivel casters in Bolt-On or Welded design.

DirtBan Swivel Seal - Not available on swivel lock models (Specify SEAL).

NSF Listed - All models except swivel lock, thread guards, forged steel and cast iron core wheels (Specify FSI).

Thread Guards - Available on many models (Specify TG1 for metal TG2 for plastic).

Load Height Option – 6" dia. models with 7-1/4" load height. Only Side Lock brakes (Specify LH7.25).
Axle/Nut Options:
AX2 Solid Axle NT1 Thick lock nut

Lube Options: Fork Wheel
No Grease GRF1 GRW1
Double Grease GRF2 GRW2
300° Continuous GRF3 GRW3
500° Continuous Consult Factory

Bearing Options:
Roller Bearing: Metal cage roller bearing (Specify WB29).
Metal thrust & retainer washers (Specify WSR1).
Sintered iron step washers (Specify WSR2).
Sealed metal retainer washer (Specify WSR3).
Torrington Roller Bearing: Torrington style roller bearing with retainer (Specify WB19).

Delrin Bearing: For standard two-piece bearing change ninth digit to "1" (Example: 4.06109.921).
One-piece with steel thrust washers (Specify WB11).

Pedestal Precicion Ball Bearing (PPBB): To order change 9th digit in model number to "5" (Example: 4.06109.455). 

Precision Ball Bearings: To order change 8th and 9th digits to "P5" (Example 4.06109.4P5). 

Bronze Bearing Options: To order change 9th digit in model number to "4" (Example: 4.06109.534).
Model Number Capacity Each In Pounds Load Height in Inch Swivel Radius in Inch Tread Width in Inch Wheel Bearing Wheel Diameter in Inch Wheel Description Weight in lbs Price(USD) Qty Action
4.03109.339 Rigid: 4.03108.339 700 5-1/4" 3-3/16" 2" Delrin, PPBB 3-1/4" Phenolic 4-3/4 RFQ
4.03109.539 Rigid: 4.03108.539 700 5-1/4" 3-3/16" 2" Delrin, Bronze, PPBB 3-1/4" Maxim 4-3/4 RFQ
4.04109.459 COND Rigid: 4.04108.459 COND 300 5-5/8" 3-9/16" 2" PPBB 4" Performa Rubber (Flat/Conductive) 5-3/4 RFQ
4.04109.459.2 Rigid: 4.04108.459.2 400 5-5/8" 3-9/16" 2" Delrin, Prec. Ball, PPBB 4" Performa Rubber (Flat/Black) 5-3/4 RFQ
4.04109.459 Rigid: 4.04108.459 400 5-5/8" 3-9/16" 2" Delrin, Prec. Ball, PPBB 4" Performa Rubber (Flat/Grey) 5-3/4 RFQ
4.04109.4E9 Rigid: 4.04108.4E9 400 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Trans-forma (Flat/Grey) 5-3/4 RFQ
4.04109.649.7 Rigid: 4.04108.649.7 400 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Moldon Rubber (Cast iron core) 7-1/4 RFQ
4.04109.4B9 Rigid: 4.04108.4B9 400 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Trans-forma LT (Flat) 5-3/4 RFQ
4.04109.559 Rigid: 4.04108.559 400 5-5/8" 3-9/16" 2" Delrin, Prec. Ball, PPBB 4" Performa Rubber (Round) 5-3/4 RFQ
4.04109.839 Rigid: 4.04108.839 500 5-5/8" 3-9/16" 2" Delrin, Plain, PPBB 4" Polyolefin 4-1/2 RFQ
4.04109.929 Rigid: 4.04108.929 600 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Polyurethane HI-TECH 4-3/4 RFQ
4.04109.4F9 Rigid: 4.04108.4F9 600 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Trans-forma HD (Flat) 5-3/4" RFQ
4.04109.939 Rigid: 4.04108.939 700 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Moldon Polyurethane (Aluminum core) 5-1/4 RFQ
4.04109.949.7 Rigid: 4.04108.949.7 700 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Moldon Polyurethane (Cast iron core) 7-1/4 RFQ
4.04109.539 Rigid: 4.04108.539 800 5-5/8" 3-9/16" 2" Delrin, Bronze, PPBB 4" Maxim 4-1/8 RFQ
4.04109.339 Rigid: 4.04108.339 800 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Phenolic 5-3/4 RFQ
4.04109.839 HT Rigid: 4.04108.839 HT 800 5-5/8" 3-9/16" 2" Plain, Bronze 4" Thermo 6-3/4 RFQ
4.04109.739 Rigid: 4.04108.739 800 5-5/8" 3-9/16" 2" Delrin, PPBB 4" V-Groove 8-1/8 RFQ
4.04109.839 EN Rigid: 4.04108.839 EN 1000 5-5/8" 3-9/16" 2" Delrin, Prec. Ball, PPBB 4" Endura Solid Elastomer 5-3/4 RFQ
4.04109.139 Rigid: 4.04108.139 1000 5-5/8" 3-9/16" 2" Delrin, PPBB 4" Cast Iron 7-7/8 RFQ
4.05109.459 COND Rigid: 4.05108.459 COND 325 6-1/2" 4-1/4" 2" PPBB 5" Performa Rubber (Flat/Conductive) 6-1/8 RFQ
4.05109.649.7 Rigid: 4.05108.649.7 400 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Moldon Rubber (Cast iron core) 8-1/8 RFQ
4.05109.559 Rigid: 4.05108.559 425 6-1/2" 4-1/4" 2" Delrin, Prec. Ball, PPBB 5" Performa Rubber (Round) 6-1/8 RFQ
4.05109.4B9 Rigid: 4.05108.4B9 450 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Trans-forma LT (Flat) 6-1/8 RFQ
4.05109.459.2 Rigid: 4.05108.459.2 500 6-1/2" 4-1/4" 2" Delrin, Prec. Ball, PPBB 5" Performa Rubber (Flat/Black) 6-1/8 RFQ
4.05109.459 Rigid: 4.05108.459 500 6-1/2" 4-1/4" 2" Delrin, Prec. Ball, PPBB 5" Performa Rubber (Flat/Grey) 6-1/8 RFQ
4.05109.4E9 Rigid: 4.05108.4E9 500 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Trans-forma (Flat/Grey) 6-1/8 RFQ
4.05109.839 Rigid: 4.05108.839 650 6-1/2" 4-1/4" 2" Delrin, Plain, PPBB 5" Polyolefin 4-7/8 RFQ
4.05109.929 Rigid: 4.05108.929 750 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Polyurethane HI-TECH 4-3/4 RFQ
4.05109.4F9 Rigid: 4.05108.4F9 750 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Trans-forma HD (Flat) 6-1/8 RFQ
4.05109.539 Rigid: 4.05108.539 1000 6-1/2" 4-1/4" 2" Delrin, Bronze, PPBB 5" Maxim 4-1/2 RFQ
4.05109.839 EN Rigid: 4.05108.839 EN 1000 6-1/2" 4-1/4" 2" Delrin, Prec. Ball, PPBB 5" Endura Solid Elastomer 5-3/4 RFQ
4.05109.939 Rigid: 4.05108.939 1000 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Moldon Polyurethane (Aluminum core) 6-1/8 RFQ
4.05109.949.7 Rigid: 4.05108.949.7 1000 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Moldon Polyurethane (Cast iron core) 8-1/8 RFQ
4.05109.939.3 Rigid: 4.05108.939.3 1000 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Moldon Nylon 9-1/4 RFQ
4.05109.339 Rigid: 4.05108.339 1000 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Phenolic 5-3/4 RFQ
4.05109.839 HT Rigid: 4.05108.839 HT 1000 6-1/2" 4-1/4" 2" Plain, Bronze 5" Thermo 6-3/4 RFQ
4.05109.139 Rigid: 4.05108.139 1000 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Cast Iron 8-7/8 RFQ
4.05109.239 Rigid: 4.05108.239 1250 6-1/2" 4-1/4" 2" Delrin, PPBB 5" Forged Steel 9-1/4 RFQ
4.06109.5B9 Rigid: 4.06108.5B9 400 7-1/2" 5" 2" Delrin, PPBB 6" Trans-forma LT (Round) 6-1/8 RFQ
4.06109.459 COND Rigid: 4.06108.459 COND 410 7-1/2" 5" 2" PPBB 6" Performa Rubber (Flat/Conductive) 6-1/8 RFQ
4.06109.559 COND Rigid: 4.06108.559 COND 410 7-1/2" 5" 2" PPBB 6" Performa Rubber (Round/Conductive) 6-1/8 RFQ
4.06109.559 Rigid: 4.06108.559 450 7-1/2" 5" 2" Delrin, Prec. Ball, PPBB 6" Performa Rubber (Round/Grey) 6-1/8 RFQ
4.06109.5E9 Rigid: 4.06108.5E9 450 7-1/2" 5" 2" Delrin, PPBB 6" Trans-forma (Round/Grey) 6-1/8 RFQ
4.06109.649.7 Rigid: 4.06108.649.7 450 7-1/2" 5" 2" Delrin, PPBB 6" Moldon Rubber (Cast iron core) 10-1/2 RFQ
4.06109.4B9 Rigid: 4.06108.4B9 500 7-1/2" 5" 2" Delrin, PPBB 6" Trans-forma LT (Flat) 6-1/8 RFQ
4.06109.459.2 Rigid: 4.06108.459.2 600 7-1/2" 5" 2" Delrin, Prec. Ball, PPBB 6" Performa Rubber (Flat/Black) 6-1/8 RFQ
4.06109.459 Rigid: 4.06108.459 600 7-1/2" 5" 2" Delrin, PPBB, Prec. Ball 6" Performa Rubber (Flat/Grey) 6-1/8 RFQ
4.06109.4E9 Rigid: 4.06108.4E9 600 7-1/2" 5" 2" Delrin, PPBB 6" Trans-forma (Flat/Grey) 6-1/8 RFQ
4.06109.5F9 Rigid: 4.06108.5F9 650 7-1/2" 5" 2" Delrin, PPBB 6" Trans-forma HD (Round) 6-1/8 RFQ
4.06109.839 Rigid: 4.06108.839 700 7-1/2" 5" 2" Delrin, Plain, PPBB 6" Polyolefin 5-1/2 RFQ
4.06109.929 Rigid: 4.06108.929 900 7-1/2" 5" 2" Delrin, PPBB 6" Polyurethane HI-TECH 5 RFQ
4.06109.96TF Rigid: 4.06108.96TF 900 7-1/2" 5" 2" Prec. Ball only 6" Triumph (Round/Blue)* 7-1/2 RFQ
4.06109.4F9 Rigid: 4.06108.4F9 900 7-1/2" 5" 2" Delrin, PPBB 6" Trans-forma HD (Flat) 6-1/8 RFQ
4.06109.96TS Rigid: 4.06108.96TS 900 7-1/2" 5" 2" Prec. Ball only 6" Triumph (Round/Red)* 7-1/2 RFQ
4.06109.839 EN Rigid: 4.06108.839 EN 1100 7-1/2" 5" 2" Delrin, Prec. Ball, PPBB 6" Endura Solid Elastomer 7 RFQ
4.06109.539 Rigid: 4.06108.539 1200 7-1/2" 5" 2" Delrin, Bronze, PPBB 6" Maxim 4-3/4 RFQ
4.06109.939 Rigid: 4.06108.939 1200 7-1/2" 5" 2" Delrin, PPBB 6" Moldon Polyurethane (Aluminum core) 7-1/2 RFQ
4.06109.949.7 Rigid: 4.06108.949.7 1200 7-1/2" 5" 2" Delrin, PPBB 6" Moldon Polyurethane (Cast iron core) 10-1/2 RFQ
4.06109.939.3 Rigid: 4.06108.939.3 1200 7-1/2" 5" 2" Delrin, PPBB 6" Moldon Nylon 9-1/4 RFQ
4.06109.339 Rigid: 4.06108.339 1200 7-1/2" 5" 2" Delrin, PPBB 6" Phenolic 7 RFQ
4.06109.739 Rigid: 4.06108.739 1200 7-1/2" 5" 2" Delrin, PPBB 6" V-Groove 10-1/2 RFQ
4.06109.139 Rigid: 4.06108.139 1200 7-1/2" 5" 2" Delrin, PPBB 6" Cast Iron 9-3/4 RFQ
4.06109.239 Rigid: 4.06108.239 1250 7-1/2" 5" 2" Delrin, PPBB 6" Forged Steel 10-1/4 RFQ
4.08199.459 COND Rigid: 4.08198.459 COND 500 9-1/2" 6-1/2" 2" PPBB 8" Performa Rubber (Flat/Conductive) 6-1/4 RFQ
4.08199.559 COND Rigid: 4.08198.559 COND 500 9-1/2" 6-1/2" 2" PPBB 8" Performa Rubber (Round/Conductive) 6-1/4 RFQ
4.08199.649.7 Rigid: 4.08198.649.7 500 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Moldon Rubber (Cast iron core) 13-1/4 RFQ
4.08199.559 Rigid: 4.08198.559 600 9-1/2" 6-1/2" 2" Delrin, Prec. Ball, PPBB 8" Performa Rubber (Round/Grey) 6-1/4 RFQ
4.08199.459.2 Rigid: 4.08198.459.2 675 9-1/2" 6-1/2" 2" Delrin, Prec. Ball, PPBB 8" Performa Rubber (Flat/Black) 6-1/4 RFQ
4.08199.459 Rigid: 4.08198.459 675 9-1/2" 6-1/2" 2" Delrin, Prec. Ball, PPBB 8" Performa Rubber (Flat/Grey) 6-1/4 RFQ
4.08199.839 Rigid: 4.08198.839 900 9-1/2" 6-1/2" 2" Delrin, Plain, PPBB 8" Polyolefin 5-3/4 RFQ
4.08199.929 Rigid: 4.08198.929 1000 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Polyurethane HI-TECH 5-3/4 RFQ
4.08199.839 EN Rigid: 4.08198.839 EN 1200 9-1/2" 6-1/2" 2" Delrin, Prec. Ball, PPBB 8" Endura Solid Elastomer 5-3/4 RFQ
4.08199.96TF Rigid: 4.08198.96TF 1200 9-1/2" 6-1/2" 2" Prec. Ball only 8" Triumph (Round/Blue)* 8-1/4 RFQ
4.08199.93TF Rigid: 4.08198.93TF 1200 9-1/2" 6-1/2" 2" Prec. Ball only 8" Triumph (Crown/Brown)* 8-1/4 RFQ
4.08199.93TS Rigid: 4.08198.93TS 1200 9-1/2" 6-1/2" 2" Prec. Ball only 8" Triumph (Crown/Red)* 8-1/4 RFQ
4.08199.96TS Rigid: 4.08198.96TS 1200 9-1/2" 6-1/2" 2" Prec. Ball only 8" Triumph (Round/Red)* 8-1/4 RFQ
4.08199.539 Rigid: 4.08198.539 1250 9-1/2" 6-1/2" 2" Delrin, Bronze, PPBB 8" Maxim 5-1/2 RFQ
4.08199.939 Rigid: 4.08198.939 1250 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Moldon Polyurethane (Aluminum core) 8-1/4 RFQ
4.08199.949.7 Rigid: 4.08198.949.7 1250 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Moldon Polyurethane (Cast iron core) 13-1/4 RFQ
4.08199.939.3 Rigid: 4.08198.939.3 1250 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Moldon Nylon 9-1/4 RFQ
4.08199.339 Rigid: 4.08198.339 1250 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Phenolic 8-1/2 RFQ
4.08199.139 Rigid: 4.08198.139 1250 9-1/2" 6-1/2" 2" Delrin, PPBB 8" Cast Iron 12-1/2 RFQ