2312 is a NSK cylindrical roller bearing, bore 60 mm, O.D. 130 mm, width 46 mm, dynamic rating 37,800 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
60
2.3622
D
Outside diameter
130
5.1181
B
Inner-ring / bearing width
46
1.811
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)
60
Bore d (in)
2.3622
Outside dia. D (mm)
130
Outside dia. D (in)
5.1181
Width B (mm)
46
Width B (in)
1.8110
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
37800
Basic static load rating Cor (lbs)
42200
Limiting speed - grease (rpm)
4,300
Limiting speed - oil (rpm)
5,300
Weight
Weight (kg)
2.644
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.079
Fillet rb max (in)
0.079
Shaft shoulder da min (in)
2.795
Housing shoulder Da max (in)
4.685
Shaft shoulder db min (in)
2.795
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,400 rpm
4
42,036
102
1,209
6
28,024
392
4,673
8
21,018
1,024
12,190
10
16,814
2,154
25,648
15
11,210
8,323
99,089
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 168,143 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.
