Original catalogue drawing - NSK catalogue, page 109
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
35
1.378
D
Outside diameter
80
3.1496
B
Inner-ring / bearing width
21
0.8268
T
Overall assembly width
22.75
0.8957
C
Cup / outer-ring width
15
0.5906
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)
35
Bore d (in)
1.3780
Outside dia. D (mm)
80
Outside dia. D (in)
3.1496
Width B (mm)
21
Width B (in)
0.8268
Overall width T (mm)
22.75
Overall width T (in)
0.8957
Cup width C (mm)
15
Cup width C (in)
0.5906
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
13900
Basic static load rating Cor (lbs)
15300
Limiting speed - grease (rpm)
4,880
Limiting speed - oil (rpm)
6,630
Weight
Weight (kg)
0.522
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.06
Shaft shoulder da min (in)
1.791
Housing shoulder Da max (in)
2.795
Shaft shoulder db max (in)
1.764
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,600 rpm
4
15,458
102
1,058
6
10,305
392
4,089
8
7,729
1,024
10,667
10
6,183
2,154
22,442
15
4,122
8,323
86,703
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 61,830 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.111 (dimensions) / p.112 (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.
