Original catalogue drawing - NSK catalogue, page 223
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
140
5.5118
D
Outside diameter
190
7.4803
B
Inner-ring / bearing width
37
1.4567
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)
140
Bore d (in)
5.5118
Outside dia. D (mm)
190
Outside dia. D (in)
7.4803
Width B (mm)
37
Width B (in)
1.4567
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
45200
Basic static load rating Cor (lbs)
85000
Limiting speed - grease (rpm)
4,300
Limiting speed - oil (rpm)
4,800
Weight
Weight (kg)
2.753
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.0591
Shaft shoulder da min (in)
7.1654
Shaft shoulder da (in)
5.8268
Housing shoulder Db (in)
7.0866
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,400 rpm
4
50,265
64
762
6
33,510
216
2,571
8
25,132
512
6,095
10
20,106
1,000
11,905
15
13,404
3,375
40,179
Basic rating life per ISO 281: L10 = (C/P)3 with C = 201,060 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.225 (dimensions) / p.226 (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.
