Original catalogue drawing - NSK catalogue, page 105
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
T
Overall assembly width
49
1.9291
C
Cup / outer-ring width
38
1.4961
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
Overall width T (mm)
49
Overall width T (in)
1.9291
Cup width C (mm)
38
Cup width C (in)
1.4961
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
97800
Basic static load rating Cor (lbs)
128000
Limiting speed - grease (rpm)
1,300
Limiting speed - oil (rpm)
1,700
Weight
Weight (kg)
10.7
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.10
Shaft shoulder da min (in)
6.732
Housing shoulder Da max (in)
10.079
Shaft shoulder db max (in)
6.929
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 400 rpm
4
108,759
102
4,233
6
72,506
392
16,354
8
54,380
1,024
42,667
10
43,504
2,154
89,768
15
29,002
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 435,036 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.107 (dimensions) / p.108 (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.
