Original catalogue drawing - NSK catalogue, page 201
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
260
10.2362
B
Inner-ring / bearing width
33
1.2992
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)
190
Bore d (in)
7.4803
Outside dia. D (mm)
260
Outside dia. D (in)
10.2362
Width B (mm)
33
Width B (in)
1.2992
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
31100
Basic static load rating Cor (lbs)
40800
Limiting speed - grease (rpm)
4,500
Limiting speed - oil (rpm)
6,700
Weight
Weight (kg)
5.121
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.079
Fillet rb (in)
0.039
Shaft shoulder da (in)
7.874
Housing shoulder Da (in)
9.843
Housing shoulder Db (in)
10.000
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,500 rpm
4
34,585
64
711
6
23,057
216
2,400
8
17,292
512
5,689
10
13,834
1,000
11,111
15
9,223
3,375
37,500
Basic rating life per ISO 281: L10 = (C/P)3 with C = 138,340 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.203 (dimensions) / p.204 (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.
