Original catalogue drawing - NSK catalogue, page 37
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
r
Chamfer (min)
2.007
0.079
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)
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)
37300
Basic static load rating Cor (lbs)
36400
Limiting speed - grease (rpm)
2,400
Limiting speed - oil (rpm)
3,200
Weight
Weight (kg)
6.214
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.079
Shaft shoulder da min (in)
5.197
Housing shoulder Da max (in)
7.992
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 800 rpm
4
41,480
64
1,333
6
27,653
216
4,500
8
20,740
512
10,667
10
16,592
1,000
20,833
15
11,061
3,375
70,312
Basic rating life per ISO 281: L10 = (C/P)3 with C = 165,919 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.39 (dimensions) / p.40 (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.
