Original catalogue drawing - NSK catalogue, page 310
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
34.925
1.375
D
Outside diameter
63.5
2.5
B
Inner-ring / bearing width
11.112
0.4375
r
Chamfer (min)
0.787
0.031
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 (in)
1.3750
Outside dia. D (in)
2.5000
Width B (in)
0.4375
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
3590
Basic static load rating Cor (lbs)
2320
Limiting speed - grease (rpm)
13,000
Weight
Weight (kg)
0.122
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.031
Shaft shoulder (in)
1.531
Housing shoulder (in)
2.344
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 3,000 rpm
4
3,992
64
356
6
2,662
216
1,200
8
1,996
512
2,844
10
1,597
1,000
5,556
15
1,065
3,375
18,750
Basic rating life per ISO 281: L10 = (C/P)3 with C = 15,969 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.15 (dimensions) / p.15 (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.
