SIFT BEARING STORE CATALOG

23944CAME4NSKSpherical Roller

23944CAME4 is a NSK spherical roller bearing, bore 220 mm, O.D. 300 mm, width 60 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d220mm
Outside dia. D300mm
Width B60mm
Dynamic Cr141,000lbs
Static C0r278,000lbs
Limiting speed1,000rpm
Weight12.052kg
Cr / C0r0.51
Mean dia. dm260mm

Original catalogue drawing - NSK catalogue, page 91

23944CAME4 NSK Spherical Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D300 mmBore d220 mmWidth B60 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter2208.6614
DOutside diameter30011.811
BInner-ring / bearing width602.3622

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)220
Bore d (in)8.6614
Outside dia. D (mm)300
Outside dia. D (in)11.8110
Width B (mm)60
Width B (in)2.3622

Load ratings & speeds

Basic dynamic load rating Cr (lbs)141000
Basic static load rating Cor (lbs)278000
Limiting speed - grease (rpm)1,000
Limiting speed - oil (rpm)1,300

Weight

Weight (kg)12.052

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.078
Shaft shoulder da min (in)9.13
Shaft shoulder da max (in)9.42
Housing shoulder Da min (in)10.91
Housing shoulder Da max (in)11.34

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 300 rpm
4156,8001025,644
6104,53339221,805
878,4001,02456,889
1062,7202,154119,691
1541,8138,323462,415

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 627,199 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK inch product catalogue
Catalogue pagep.93 (dimensions) / p.94 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
23944-S-K-MBFAGSpherical Roller22030060610 kN12.3
23944-S-MBFAGSpherical Roller22030060610 kN12.3

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NN3944NSKPrecision / Angular Contact2203006099,000 lbs11.376

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
22244CAME4NSKSpherical Roller220400108355,000 lbs58.459
22344CAME4NSKSpherical Roller220460145530,000 lbs114.818
23044CAME4NSKSpherical Roller22034090245,000 lbs29.347
23144CAME4NSKSpherical Roller220370120350,000 lbs51.546
23144CE4NSKSpherical Roller220370120350,000 lbs52.535
23244CAME4NSKSpherical Roller220400144455,000 lbs78.122
23244CE4NSKSpherical Roller220400144455,000 lbs79.583
24044CAME4NSKSpherical Roller220340118296,000 lbs38.029

Request a quotation for 23944CAME4

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