2317 is a NSK cylindrical roller bearing, bore 85 mm, O.D. 180 mm, width 60 mm, dynamic rating 70,400 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 63
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
85
3.3465
D
Outside diameter
180
7.0866
B
Inner-ring / bearing width
60
2.3622
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)
85
Bore d (in)
3.3465
Outside dia. D (mm)
180
Outside dia. D (in)
7.0866
Width B (mm)
60
Width B (in)
2.3622
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
70400
Basic static load rating Cor (lbs)
85800
Limiting speed - grease (rpm)
3,000
Limiting speed - oil (rpm)
3,800
Weight
Weight (kg)
6.804
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.098
Fillet rb max (in)
0.098
Shaft shoulder da min (in)
3.858
Housing shoulder Da max (in)
6.575
Shaft shoulder db min (in)
3.858
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
78,289
102
1,693
6
52,192
392
6,542
8
39,144
1,024
17,067
10
31,315
2,154
35,907
15
20,877
8,323
138,724
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 313,155 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.65 (dimensions) / p.66 (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.
