224 is a NSK cylindrical roller bearing, bore 120 mm, O.D. 215 mm, width 40 mm, dynamic rating 55,700 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 53
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
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)
Symbol
Dimension
mm
inch
d
Bore diameter
120
4.7244
D
Outside diameter
215
8.4646
B
Inner-ring / bearing width
40
1.5748
Notes
Cylindrical roller entries from the NSK inch catalogue are series numbers covering the N / NU / NJ / NUP / NH prefixes of the same size. 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)
120
Bore d (in)
4.7244
Outside dia. D (mm)
215
Outside dia. D (in)
8.4646
Width B (mm)
40
Width B (in)
1.5748
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
55700
Basic static load rating Cor (lbs)
67100
Limiting speed - grease (rpm)
3,000
Limiting speed - oil (rpm)
3,400
Weight
Weight (kg)
5.443
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.079
Fillet rb max (in)
0.079
Shaft shoulder da min (in)
5.197
Housing shoulder Da max (in)
8.031
Shaft shoulder db min (in)
5.157
Shaft shoulder db max (in)
5.512
Housing shoulder Db min (in)
7.717
Housing shoulder Db max (in)
8.031
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
61,941
102
1,693
6
41,294
392
6,542
8
30,971
1,024
17,067
10
24,777
2,154
35,907
15
16,518
8,323
138,724
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 247,766 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
Brand
NSK
Source catalogue
NSK inch product catalogue
Catalogue page
p.55 (dimensions) / p.56 (ratings)
Dimensions in inches and millimetres, load ratings in lbs.
Send us the quantity you need and we will come back with price and
lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.
