2313 is a NSK cylindrical roller bearing, bore 65 mm, O.D. 140 mm, width 48 mm, dynamic rating 42,000 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
65
2.5591
D
Outside diameter
140
5.5118
B
Inner-ring / bearing width
48
1.8898
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)
65
Bore d (in)
2.5591
Outside dia. D (mm)
140
Outside dia. D (in)
5.5118
Width B (mm)
48
Width B (in)
1.8898
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
42000
Basic static load rating Cor (lbs)
47700
Limiting speed - grease (rpm)
3,800
Limiting speed - oil (rpm)
4,800
Weight
Weight (kg)
3.211
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.079
Fillet rb max (in)
0.079
Shaft shoulder da min (in)
2.992
Housing shoulder Da max (in)
5.079
Shaft shoulder db min (in)
2.992
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
46,706
102
1,411
6
31,138
392
5,451
8
23,353
1,024
14,222
10
18,683
2,154
29,923
15
12,455
8,323
115,604
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 186,825 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.