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
150
5.9055
D
Outside diameter
270
10.6299
B
Inner-ring / bearing width
45
1.7717
r
Chamfer (min)
2.489
0.098
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)
150
Bore d (in)
5.9055
Outside dia. D (mm)
270
Outside dia. D (in)
10.6299
Width B (mm)
45
Width B (in)
1.7717
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
50500
Basic static load rating Cor (lbs)
57100
Limiting speed - grease (rpm)
1,800
Limiting speed - oil (rpm)
2,600
Weight
Weight (kg)
10.977
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.098
Shaft shoulder da min (in)
6.457
Housing shoulder Da max (in)
10.079
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
56,159
64
1,778
6
37,439
216
6,000
8
28,079
512
14,222
10
22,464
1,000
27,778
15
14,976
3,375
93,750
Basic rating life per ISO 281: L10 = (C/P)3 with C = 224,635 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.
