Original catalogue drawing - NSK catalogue, page 57
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
85
3.3465
D
Outside diameter
210
8.2677
B
Inner-ring / bearing width
52
2.0472
Notes
Cylindrical roller entries from the NSK inch catalogue are series numbers covering the N / NU / NJ / NUP / NH prefixes of the same size. 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)
85
Bore d (in)
3.3465
Outside dia. D (mm)
210
Outside dia. D (in)
8.2677
Width B (mm)
52
Width B (in)
2.0472
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
74800
Basic static load rating Cor (lbs)
78100
Limiting speed - grease (rpm)
3,000
Limiting speed - oil (rpm)
3,800
Weight
Weight (kg)
9.525
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.118
Fillet rb max (in)
0.118
Shaft shoulder da min (in)
3.976
Housing shoulder Da max (in)
7.638
Shaft shoulder db min (in)
3.976
Shaft shoulder db max (in)
4.331
Housing shoulder Db min (in)
7.087
Housing shoulder Db max (in)
7.638
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
83,182
102
1,693
6
55,454
392
6,542
8
41,591
1,024
17,067
10
33,273
2,154
35,907
15
22,182
8,323
138,724
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 332,727 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.59 (dimensions) / p.60 (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.
