1038 is a NSK cylindrical roller bearing, bore 190 mm, O.D. 290 mm, width 46 mm, dynamic rating 81,400 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 59
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
190
7.4803
D
Outside diameter
290
11.4173
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)
190
Bore d (in)
7.4803
Outside dia. D (mm)
290
Outside dia. D (in)
11.4173
Width B (mm)
46
Width B (in)
1.8110
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
81400
Basic static load rating Cor (lbs)
120000
Limiting speed - grease (rpm)
2,000
Limiting speed - oil (rpm)
2,600
Weight
Weight (kg)
10.433
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.079
Fillet rb max (in)
0.079
Shaft shoulder da min (in)
7.913
Housing shoulder Da max (in)
10.984
Shaft shoulder db min (in)
7.913
Shaft shoulder db max (in)
8.346
Housing shoulder Db min (in)
10.551
Housing shoulder Db max (in)
10.984
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
90,521
102
2,822
6
60,348
392
10,903
8
45,261
1,024
28,444
10
36,209
2,154
59,845
15
24,139
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 362,085 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.61 (dimensions) / p.62 (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.
