Original catalogue drawing - NSK catalogue, page 29
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
70
2.7559
D
Outside diameter
150
5.9055
B
Inner-ring / bearing width
51
2.0079
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)
70
Bore d (in)
2.7559
Outside dia. D (mm)
150
Outside dia. D (in)
5.9055
Width B (mm)
51
Width B (in)
2.0079
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
24700
Basic static load rating Cor (lbs)
11200
Limiting speed - grease (rpm)
3,600
Limiting speed - oil (rpm)
4,500
Weight
Weight (kg)
4.169
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.079
Shaft shoulder da min (in)
3.191
Housing shoulder Da max (in)
5.477
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
27,468
64
889
6
18,312
216
3,000
8
13,734
512
7,111
10
10,987
1,000
13,889
15
7,325
3,375
46,875
Basic rating life per ISO 281: L10 = (C/P)3 with C = 109,871 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.31 (dimensions) / p.32 (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.
