Original catalogue drawing - NSK catalogue, page 221
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
90
3.5433
D
Outside diameter
140
5.5118
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)
90
Bore d (in)
3.5433
Outside dia. D (mm)
140
Outside dia. D (in)
5.5118
Width B (mm)
37
Width B (in)
1.4567
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
32200
Basic static load rating Cor (lbs)
51100
Limiting speed - grease (rpm)
6,000
Limiting speed - oil (rpm)
7,100
Weight
Weight (kg)
2.055
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.0591
Shaft shoulder da min (in)
5.1969
Shaft shoulder da (in)
3.8583
Housing shoulder Db (in)
5.0787
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 2,000 rpm
4
35,808
64
533
6
23,872
216
1,800
8
17,904
512
4,267
10
14,323
1,000
8,333
15
9,549
3,375
28,125
Basic rating life per ISO 281: L10 = (C/P)3 with C = 143,233 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.223 (dimensions) / p.224 (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.
