HR30317J is a NSK tapered roller bearing, bore 85 mm, O.D. 180 mm, width 41 mm, dynamic rating 69,700 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 107
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
41
1.6142
T
Overall assembly width
44.5
1.752
C
Cup / outer-ring width
34
1.3386
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)
85
Bore d (in)
3.3465
Outside dia. D (mm)
180
Outside dia. D (in)
7.0866
Width B (mm)
41
Width B (in)
1.6142
Overall width T (mm)
44.5
Overall width T (in)
1.7520
Cup width C (mm)
34
Cup width C (in)
1.3386
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
69700
Basic static load rating Cor (lbs)
84300
Limiting speed - grease (rpm)
2,000
Limiting speed - oil (rpm)
2,800
Weight
Weight (kg)
5.08
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.10
Shaft shoulder da min (in)
4.173
Housing shoulder Da max (in)
6.535
Shaft shoulder db max (in)
4.252
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
77,510
102
2,822
6
51,674
392
10,903
8
38,755
1,024
28,444
10
31,004
2,154
59,845
15
20,669
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 310,041 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.109 (dimensions) / p.110 (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.
