Original catalogue drawing - NSK catalogue, page 57
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
Notes
Cylindrical roller entries from the NSK inch catalogue are series numbers covering the N / NU / NJ / NUP / NH prefixes of the same size. 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)
40900
Basic static load rating Cor (lbs)
41800
Limiting speed - grease (rpm)
4,000
Limiting speed - oil (rpm)
4,800
Weight
Weight (kg)
3.572
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.039
Fillet rb max (in)
0.079
Shaft shoulder da min (in)
2.992
Housing shoulder Da max (in)
5.866
Shaft shoulder db min (in)
2.992
Shaft shoulder db max (in)
3.386
Housing shoulder Db min (in)
5.433
Housing shoulder Db max (in)
5.866
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,300 rpm
4
45,483
102
1,302
6
30,322
392
5,032
8
22,742
1,024
13,128
10
18,193
2,154
27,621
15
12,129
8,323
106,711
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 181,932 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.59 (dimensions) / p.60 (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.
