SIFT BEARING STORE CATALOG

23934BCAME4NSKSpherical Roller

23934BCAME4 is a NSK spherical roller bearing, bore 170 mm, O.D. 230 mm, width 45 mm. Dimensions, drawing, interchanges and price.

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Bore d170mm
Outside dia. D230mm
Width B45mm
Dynamic Cr78,500lbs
Static C0r148,000lbs
Limiting speed1,300rpm
Weight5.302kg
Cr / C0r0.53
Mean dia. dm200mm

Original catalogue drawing - NSK catalogue, page 91

23934BCAME4 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. D230 mmBore d170 mmWidth B45 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 diameter1706.6929
DOutside diameter2309.0551
BInner-ring / bearing width451.7717

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)170
Bore d (in)6.6929
Outside dia. D (mm)230
Outside dia. D (in)9.0551
Width B (mm)45
Width B (in)1.7717

Load ratings & speeds

Basic dynamic load rating Cr (lbs)78500
Basic static load rating Cor (lbs)148000
Limiting speed - grease (rpm)1,300
Limiting speed - oil (rpm)1,700

Weight

Weight (kg)5.302

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.078
Shaft shoulder da min (in)7.09
Shaft shoulder da max (in)7.26
Housing shoulder Da min (in)8.38
Housing shoulder Da max (in)8.66

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 400 rpm
487,2961024,233
658,19839216,354
843,6481,02442,667
1034,9192,15489,768
1523,2798,323346,811

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 349,185 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.

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
23934CAME4NSKSpherical Roller17023045450 kN5.38
NN3934NSKPrecision / Angular Contact1702304563,000 lbs5.457

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
22234CAME4NSKSpherical Roller17031086223,000 lbs27.828
22234CDE4NSKSpherical Roller17031086223,000 lbs28.526
22334CAME4NSKSpherical Roller170360120355,000 lbs57.384
23034CAME4NSKSpherical Roller17026067143,000 lbs12.342
23034CDE4NSKSpherical Roller17026067143,000 lbs12.832
23134CAME4NSKSpherical Roller17028088212,000 lbs20.743
23134CE4NSKSpherical Roller17028088212,000 lbs21.555
23234CAME4NSKSpherical Roller170310110270,000 lbs35.602

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