HR31324J is a NSK tapered roller bearing, bore 120 mm, O.D. 260 mm, width 62 mm, dynamic rating 95,500 lbs. Dimensions, drawing, interchanges and price.
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
120
4.7244
D
Outside diameter
260
10.2362
B
Inner-ring / bearing width
62
2.4409
T
Overall assembly width
68
2.6772
C
Cup / outer-ring width
42
1.6535
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)
120
Bore d (in)
4.7244
Outside dia. D (mm)
260
Outside dia. D (in)
10.2362
Width B (mm)
62
Width B (in)
2.4409
Overall width T (mm)
68
Overall width T (in)
2.6771
Cup width C (mm)
42
Cup width C (in)
1.6535
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
95500
Basic static load rating Cor (lbs)
164000
Limiting speed - grease (rpm)
1,430
Limiting speed - oil (rpm)
1,940
Weight
Weight (kg)
15.644
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.10
Shaft shoulder da min (in)
5.433
Housing shoulder Da max (in)
9.685
Shaft shoulder db max (in)
9.685
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 400 rpm
4
106,201
102
4,233
6
70,801
392
16,354
8
53,101
1,024
42,667
10
42,481
2,154
89,768
15
28,320
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 424,805 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.
