Original catalogue drawing - NSK catalogue, page 41
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
65
2.5591
D
Outside diameter
160
6.2992
B
Inner-ring / bearing width
37
1.4567
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)
65
Bore d (in)
2.5591
Outside dia. D (mm)
160
Outside dia. D (in)
6.2992
Width B (mm)
37
Width B (in)
1.4567
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
26900
Basic static load rating Cor (lbs)
19500
Limiting speed - grease (rpm)
3,500
Limiting speed - oil (rpm)
4,900
Weight
Weight (kg)
3.81
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.079
Shaft shoulder da min (in)
3.031
Housing shoulder Da max (in)
5.827
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,100 rpm
4
29,914
64
970
6
19,943
216
3,273
8
14,957
512
7,758
10
11,966
1,000
15,152
15
7,977
3,375
51,136
Basic rating life per ISO 281: L10 = (C/P)3 with C = 119,657 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.43 (dimensions) / p.44 (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.
