IBC NU2310.EA Cylindrical Roller Bearing 50 × 110 × 40 mm

Cylindrical Roller Bearing

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EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.

Category: Cylindrical Roller Bearing
Bore: 50 mm
Outer Ø: 110 mm
Width: 40 mm

Overview

IBC NU2310.EA Cylindrical Roller Bearing is designed for high radial load capacity through line contact between rollers and raceways. It is suitable for rigid, heavy-duty applications such as motors, gearboxes, rolling mills, and machine tools, with N, NU, NJ, and NUP designs offering different axial locating functions.

Cylindrical rollers and a cage are arranged between inner and outer ring raceways. Depending on flange configuration, the bearing can be separable and may support axial load in one or both directions.

Key features

High radial load capacity
Rigid performance for high-speed operation
Separable design for easier mounting
Axial locating capability by design variant

Typical applications

Industrial electric motors
Gearboxes and reducers
Machine tool spindle support positions
Rolling mills, paper machines, and heavy machinery

Selection guidance

Choose the N, NU, NJ, or NUP design by load direction, axial locating requirement, cage material, internal clearance, and lubrication condition.

Symbol	Value	Description
C_0r	187000 N	Basic static load rating, radial
Cr	189000 N	Basic dynamic load rating, radial
C_u	24500 N	Fatigue limit load
n_G	7100 1/min	Limiting speed (grease)
≈m	1.8 kg	Weight
n_ϑr	5800 1/min	Reference speed

Symbol	Value	Description
d	50 mm	Bore diameter
D	110 mm	Outside diameter
B	40 mm	Width
F	65 mm	Raceway diameter, inner
s	3.4 mm	Permissible axial displacement
d₁	71.4 mm	Shoulder diameter, inner ring
D₁	92.5 mm	Shoulder diameter, outer ring
r_{1,2 min}	2 mm	Minimum chamfer dimension
r_{3,4 min}	2 mm	Minimum chamfer dimension, side face

Symbol	Value	Description
d_{a min}	61 mm	Min. shoulder diameter for mounting, inner ring
D_{a max}	99 mm	Max. shoulder diameter for mounting, housing
D_{b max}	67 mm	Max. shoulder diameter, sealed side
r_{a max}	2 mm	Max. fillet radius
r_{b max}	2 mm	Max. fillet radius, side face

Symbol	Value	Description
k_f	0.25	Minimal load factor

Code	Description
100Cr6	Ring material
Single row cylindrical roller bearing	Product type

datasheet pdf download

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