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
130
5.1181
D
Outside diameter
180
7.0866
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)
130
Bore d (in)
5.1181
Outside dia. D (mm)
180
Outside dia. D (in)
7.0866
Width B (mm)
37
Width B (in)
1.4567
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
39000
Basic static load rating Cor (lbs)
72500
Limiting speed - grease (rpm)
4,500
Limiting speed - oil (rpm)
5,300
Weight
Weight (kg)
2.563
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.0591
Shaft shoulder da min (in)
6.7717
Shaft shoulder da (in)
5.4331
Housing shoulder Db (in)
6.6535
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,500 rpm
4
43,370
64
711
6
28,913
216
2,400
8
21,685
512
5,689
10
17,348
1,000
11,111
15
11,565
3,375
37,500
Basic rating life per ISO 281: L10 = (C/P)3 with C = 173,481 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.
