Original catalogue drawing - NSK catalogue, page 75
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
50
1.9685
D
Outside diameter
110
4.3307
B
Inner-ring / bearing width
40
1.5748
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)
50
Bore d (in)
1.9685
Outside dia. D (mm)
110
Outside dia. D (in)
4.3307
Width B (mm)
40
Width B (in)
1.5748
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
41500
Basic static load rating Cor (lbs)
47500
Limiting speed - grease (rpm)
3,600
Limiting speed - oil (rpm)
4,300
Weight
Weight (kg)
1.755
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.078
Shaft shoulder da min (in)
2.36
Shaft shoulder da max (in)
2.46
Housing shoulder Da min (in)
3.63
Housing shoulder Da max (in)
3.94
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
46,150
102
1,411
6
30,767
392
5,451
8
23,075
1,024
14,222
10
18,460
2,154
29,923
15
12,307
8,323
115,604
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 184,601 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.77 (dimensions) / p.78 (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.