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NNC4838CV — 190 × 240 × 50 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 50 mmD = 240 mmd = 190 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Cylindrical roller

NNC4838CV

NNC4838CV is a cylindrical roller designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 190 × 240 × 50 mm. The designation ends in bore code 38, which resolves to a 190 mm bore under ISO 15 and matches what the manufacturers published. The publishing works are in Jiangsu province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d
190 mm
Outside D
240 mm
Width B
50 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerDynamic load rating (kN)Static load rating (kN)Minimum corner radius (mm)Reference mass (kg)Source recorded
Wanda
NNC4838CV		3157501.55.652026-09-24Request

A dash means that manufacturer did not publish the value. Dimensions every source agrees on are shown above rather than repeated per row.

Calculated from the published values.

FigureHow it is obtainedResult
Radial section height(D − d) / 225 mm
Mean diameter dm(D + d) / 2215 mm
C / C₀ load ratiodynamic ÷ static load ratingWanda 0.42

Arithmetic on the figures above — not a bearing life calculation for your load case.

The works that publish NNC4838CV.

Wanda

Nantong, Jiangsu, China

Forklift bearings and slewing supports

Jiangsu Wanda Special Bearing manufactures bearings for forklifts and other specialized equipment. Its catalogue covers mast rollers, side rollers, chain rollers, combined rollers, full-complement cylindrical roller bearings and slewing bearings. The company also describes applications in logistics equipment and industrial robots. Roller profiles and mounting dimensions are essential selection details.

Published ranges: Forklift mast and side-roller bearings · Chain and combined-roller bearings · Full-complement cylindrical roller bearings · Slewing bearings

82 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ask Wanda about NNC4838CV

Applications the publishing works state.

ApplicationStated by
Construction equipmentWanda
ForkliftsWanda
Industrial robotsWanda
Logistics equipmentWanda

Application areas each manufacturer states for its own range. Confirm load, speed, temperature and lubrication for your case.

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Limiting speed · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Limiting speed — grease · Limiting speed — oil · Noise / vibration test method · Manufacturer series · Manufacturer suffix · Ball count · Ball diameter.

Ask the manufacturer for these when you enquire.

Neighbouring designations documented here.

DesignationEnvelope d × D × B (mm)Bearing familyWorks
NNC4830CV150 × 190 × 40Cylindrical roller1
NNC4832CV160 × 200 × 40Cylindrical roller1
NNC4834CV170 × 215 × 45Cylindrical roller1
NNC4836CV180 × 225 × 45Cylindrical roller1
NNC4840CV200 × 250 × 50Cylindrical roller1
NNC4844CV220 × 270 × 50Cylindrical roller1
NNC4848CV240 × 300 × 60Cylindrical roller1
NNC4852CV260 × 320 × 60Cylindrical roller1
NNC4856CV280 × 350 × 69Cylindrical roller1
NNC4860CV300 × 380 × 80Cylindrical roller1
NNC4864CV320 × 400 × 80Cylindrical roller1
NNC4868CV340 × 420 × 80Cylindrical roller1

Each envelope shown is that designation’s own published size.

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Figures on this page are each manufacturer’s own published material, recorded on the dates shown. How we check sources →

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