NSK
50
50 × 110 × 27 mm
Load C
80 kN
Speed
5,000
Weight
1.1 kg

The NSK NU310 is a standard size cylindrical roller bearings with ISO dimensions 50×110×27 mm. Bearings in the 50mm bore range are commonly used in lathe spindles, gearboxes, printing rollers, cold rolling mills. This is an open type, requires periodic lubrication, suitable for clean environments variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation NU310.

NSKCylindrical Roller BearingsPre-Order 3–5 Days

NSK NU310

Cylindrical Roller Bearings50×110×27 mm — ISO NU310

Dimensions
Bore Diameter (d)50 mm
Outside Diameter (D)110 mm
Width (B)27 mm
Dynamic Load Rating (C)80 kN
Static Load Rating (C₀)60 kN
Limiting Speed (grease)5,000 rpm
Mass1.1 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK NU310 per OEM catalog.

Bore Diameter (d)50 mm
Outside Diameter (D)110 mm
Width (B)27 mm
Dynamic Load Rating (C)80 kN
Static Load Rating (C₀)60 kN
Limiting Speed (grease)5,000 rpm
Mass1.1 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO NU310 — interchangeable dimensions.

BrandPart Number
NSKNU310
fagNU310
ntnNU310
skfNU310
zvlNU310
koyoNU310
nachiNU310
timkenNU310

* C/C₀ may vary ±5% across manufacturers.

Compare NU310 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSKNU31050×110×278060Current
FAGNU31050×110×2781.6View
KoyoNU31050×110×2778.4View
NACHINU31050×110×2779.2View
NTNNU31050×110×2780View
SKFNU31050×110×2780View
TimkenNU31050×110×2780.8View
ZVLNU31050×110×2780View

FAQ — NSK NU310

Quick answers to common questions.

NSK NU310 có kích thước d×D×B = 50×110×27 mm theo tiêu chuẩn ISO. Đường kính trong d = 50 mm, đường kính ngoài D = 110 mm, chiều rộng B = 27 mm.

Common Applications

Machine toolsPrinting

Cylindrical Roller Bearings with 50mm bore diameter are commonly used in lathe spindles, gearboxes, printing rollers, cold rolling mills.

Need a Quote for NSK NU310?

Engineers ready for bearing selection, cross-reference, and same-day quotation.

NSK NU310
50×110×27 mm
Quote