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
75
2.9528
D
Outside diameter
190
7.4803
B
Inner-ring / bearing width
45
1.7717
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)
75
Bore d (in)
2.9528
Outside dia. D (mm)
190
Outside dia. D (in)
7.4803
Width B (mm)
45
Width B (in)
1.7717
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
59000
Basic static load rating Cor (lbs)
61400
Limiting speed - grease (rpm)
3,400
Limiting speed - oil (rpm)
4,000
Weight
Weight (kg)
6.35
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.098
Fillet rb max (in)
0.098
Shaft shoulder da min (in)
3.465
Housing shoulder Da max (in)
6.969
Shaft shoulder db min (in)
3.465
Shaft shoulder db max (in)
4.016
Housing shoulder Db min (in)
6.457
Housing shoulder Db max (in)
6.969
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,100 rpm
4
65,611
102
1,539
6
43,741
392
5,947
8
32,806
1,024
15,515
10
26,245
2,154
32,643
15
17,496
8,323
126,113
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 262,445 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.
