Original catalogue drawing - NSK catalogue, page 77
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
130
5.1181
D
Outside diameter
280
11.0236
B
Inner-ring / bearing width
93
3.6614
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)
130
Bore d (in)
5.1181
Outside dia. D (mm)
280
Outside dia. D (in)
11.0236
Width B (mm)
93
Width B (in)
3.6614
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
223000
Basic static load rating Cor (lbs)
305000
Limiting speed - grease (rpm)
1,300
Limiting speed - oil (rpm)
1,600
Weight
Weight (kg)
27.878
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.118
Shaft shoulder da min (in)
5.83
Shaft shoulder da max (in)
6.54
Housing shoulder Da min (in)
9.28
Housing shoulder Da max (in)
10.31
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 400 rpm
4
247,988
102
4,233
6
165,326
392
16,354
8
123,994
1,024
42,667
10
99,195
2,154
89,768
15
66,130
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 991,953 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.79 (dimensions) / p.80 (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.