220 is a NSK cylindrical roller bearing, bore 100 mm, O.D. 180 mm, width 34 mm, dynamic rating 40,900 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 53
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
100
3.937
D
Outside diameter
180
7.0866
B
Inner-ring / bearing width
34
1.3386
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)
100
Bore d (in)
3.9370
Outside dia. D (mm)
180
Outside dia. D (in)
7.0866
Width B (mm)
34
Width B (in)
1.3386
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
40900
Basic static load rating Cor (lbs)
48800
Limiting speed - grease (rpm)
3,600
Limiting speed - oil (rpm)
4,300
Weight
Weight (kg)
3.402
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.079
Fillet rb max (in)
0.079
Shaft shoulder da min (in)
4.409
Housing shoulder Da max (in)
6.654
Shaft shoulder db min (in)
4.370
Shaft shoulder db max (in)
4.606
Housing shoulder Db min (in)
6.417
Housing shoulder Db max (in)
6.654
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
45,483
102
1,411
6
30,322
392
5,451
8
22,742
1,024
14,222
10
18,193
2,154
29,923
15
12,129
8,323
115,604
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 181,932 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.55 (dimensions) / p.56 (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.
