NSK 5311 - Double Row Angular Contact Ball Bearing

Product Overview: NSK 5311 (Double Row Angular Contact Ball Bearing)

SIFT BEARING STORE supplies high-precision, genuine quality NSK 5311 (Double Row Angular Contact Ball Bearing) directly from our ready warehouse inventory. Every photograph displayed on this product page is an authentic, unedited studio photo taken from our physical stock—allowing engineers and purchasing managers to inspect the exact surface finish, cage design, laser markings, and original factory box before ordering.

Engineered in strict accordance with international ISO dimensional and tolerance standards, the NSK 5311 features an inner bore diameter (d) of 55 mm, an outer diameter (D) of 120 mm, a width/height (B/T) of 49.2 mm, and a nominal mass of 2.33 kg. It delivers superior radial and axial load carrying capacity, low rotational friction, and reliable service life across demanding industrial applications.

Why Source NSK 5311 From SIFT BEARING STORE?

• What You See Is What You Get: 100% verified real warehouse stock photos—no generic catalog renders or stock imagery.
• Competitive B2B Wholesale Pricing: Direct supply chain tailored for global bearing distributors, MRO plant maintenance teams, and OEM equipment builders.
• Strict Quality Verification: Clearance, noise level, and dimensional accuracy are checked prior to dispatch to ensure zero downtime upon installation.
• Flexible MOQ & Fast Global Logistics: Whether you need an urgent single replacement bearing via DHL/FedEx/UPS express or bulk palletized sea/air freight, we ship within 24–48 hours.

Request a Fast Quotation Today

Looking for current stock availability, volume discounts, or shipping cost estimation for NSK 5311? Contact our export sales manager Richard directly via Email (richard@bearingsift.com) or WhatsApp (+86 156 2149 6516) for a professional response within 2 hours.