Original catalogue drawing - NSK catalogue, page 23
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
165
6.4961
B
Inner-ring / bearing width
22
0.8661
r
Chamfer (min)
0.991
0.039
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)
165
Outside dia. D (in)
6.4961
Width B (mm)
22
Width B (in)
0.8661
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
11900
Basic static load rating Cor (lbs)
12100
Limiting speed - grease (rpm)
3,800
Limiting speed - oil (rpm)
4,500
Factor f0
16.5
Weight
Weight (kg)
1.188
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.039
Shaft shoulder da min (in)
4.980
Shaft shoulder da max (in)
5.197
Housing shoulder Da max (in)
6.240
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
13,233
64
889
6
8,822
216
3,000
8
6,617
512
7,111
10
5,293
1,000
13,889
15
3,529
3,375
46,875
Basic rating life per ISO 281: L10 = (C/P)3 with C = 52,934 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.25 (dimensions) / p.26 (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.