4" x 2" Inch Rigid Caster - Semi-Steel Cast Iron Wheel - 700 Lbs Capacity CasterHQ

4" x 2" Inch Rigid Caster - Semi-Steel Cast Iron Wheel - 700 Lbs Capacity

Volume discounts applied at checkout

50-99 units: 5% Off
100-199 units: 10% Off
200+ units: 15% Off

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$29.00 USD - $215.00 USD

Status: In Stock

Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: CB-9RC42-SS

Product Overview

4" x 2" Inch Rigid Caster - Semi-Steel Cast Iron Wheel - 700 Lbs Capacity

Our Medium Duty '9' Series is one of the most recognized and commonly used casters in a broad spectrum of industries and is one of the most popular selling caster series; offering exceptional quality, functionality, value and availability. We offer fast delivery and competitive prices.

This series is made of 1/4" thick cold rolled steel; designed, formed, and welded for optimal mobility and made to withstand the rigors and abuse typically seen in Medium duty applications. Double Ball raceways and a 5/8" nut & king-pin are standard features; however we also offer a rivet kingpin version & a kingpinless version.

Poupular applications may include; various carts, trucks, dollies, racks & equipment, for almost every industry including industrial, warehousing, hospitality, institutional, food service, food processing, retail display, and countless other medium duty applications.

Technical Specs

WHEEL MATERIAL: SEMI-STEEL / CAST IRON
WHEEL DIAMETER: 4”
WHEEL TREAD WIDTH: 2”
LOAD CAPACITY: 700 LBS /EA
TOP PLATE SIZE: 4” X 4-1/2”
BOLT HOLE SPACING: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)
WHEEL DUROMETER: 30,000 PSI
MOUNTING BOLT SIZE: 3/8”
OVERALL HEIGHT: 5-5/8”
BEARING TYPE: ROLLER BEARING
WHEEL COLOR: BLACK
TEMPERATURE RANGE: -45F – 600F
CASTER BRACKET MATERIAL: ZINC PLATED STEEL
GREASE ZERK: YES
AXLE: ZERK AXLE

Key Features

• Semi-Steel / Cast iron, offers a strong, durable, cost effective solution for heavy loads.
• Hard tread rolls easily and offers high abrasion resistance.
• Tread face is precisely machined for a smooth, symmetrical ride, tread edge is machined round.
• Hardness: Brinell 145
• Tensile strength of 30,000 PSI.
• Temperature range: -45° F to 600° F.

Ordering & Shipping Information

Transparent pricing

All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.

Upfront shipping costs

Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.

Business-friendly ordering

We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.

Real support from product specialists

Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.

Trusted by industrial and commercial customers

CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.

Flat-rate shipping by order size. Final shipping cost shown before payment.
No post-checkout shipping adjustments or re-billing.
Most orders ship from our Texas headquarters near Dallas.

When will my order ship?

In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.

Will shipping cost more at checkout?

Shipping is not free on most orders. Your final shipping cost is shown before payment.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.

Need an exact freight quote for a large order?