4" x 2" Rubber On Nylon Swivel Caster (Roller Bearing) - 400 lbs. Cap. Four Position Swivel Lock:Standard Chemically Bonded To Core Core

Chemically Bonded To Core Core Type Polyolefin Core Bearing Type Annular Ball Bearing Wheel Color Gray/Gray Overall Height 5" Swivel Radius 3-1/2" Stem Size 1/2"- NC13 x 1" Threaded Stem Durometer Shore A 65 (+/-5) Temperature Range -45° F to 180° F Model / MPN 21NM40GI4367YY

Install when standard tubes will not reach bottom of tank for addition of 1-1/2" NPTF (m) extension pipe (customer furnished)

The original product data lists a temperature range of -50°F to 180°F

Brand Lincoln Industrial Model / MPN 500L

4" x 2" Rubber On Nylon Swivel Caster (Roller Bearing) - 400 lbs. Cap. Four Position Swivel Lock:Standard Chemically Bonded To Core CoreProduct Overview Rust free and suitable for wash down, high humidity, and outdoor environments. The nylon core is designed to increase load and impact capacities while the rubber tread offers shock absorbing cushioned ride allowing it to roll over debris easily and quietly without damaging floor surfaces. Tread: Rubber Vulcanized To Core. This caster is listed with wheel diameter 4", tread width 2", load capacity 400 Lbs., tread type Rubber Vulcanized