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IKO BR 303920 UU,BR 324120 UU MACHINED TYPE NEEDLE ROLLER BEARINGS

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Stock: In stock
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IKO BR 303920 UU,BR 324120 UU Description

 

 

Shaft dia. mm (inch)

Identification number

 

 

 

With two seals

Mass (Ref.)

 

 

g

Boundary dimensions mm(inch) Standard mounting dimensions mm
Fw D C Da

Max.

r      (1)

as max

15.875

5╱8

BR 101816 UU 54 15.875( 5╱8) 28.575(1 1╱8) 25.400(1         ) 24.5 0.6
19.050

3╱4

BR 122016 UU 68 19.050( 3╱4) 31.750(1 1╱4) 25.400(1         ) 26.5 1.0
22.225

7╱8

BR 142216 UU 76 22.225( 7╱8) 34.925(1 3╱8) 25.400(1         ) 29.7 1.0
25.400

(1)

BR 162416 UU 83 25.400(1          ) 38.100(1 1╱2) 25.400(1         ) 32.9 1.0
28.575

(11╱8

BR 182620 UU 115 28.575(1 1╱8) 41.275(1 5╱8) 31.750(1 1╱4) 36.0 1.0
31.750

(11╱4

BR 202820 UU 124 31.750(1 1╱4) 44.450(1 3╱4) 31.750(1 1╱4) 39.2 1.0
34.925

(13╱8

BR 223020 UU 134 34.925(1 3╱8) 47.625(1 7╱8) 31.750(1 1╱4) 42.4 1.0
38.100

(11╱2

BR 243320 UU 168 38.100(1 1╱2) 52.388(2 1╱16) 31.750(1 1╱4) 45.1 1.5
41.275

(15╱8

BR 263520 UU 179 41.275(1 5╱8) 55.562(2 3╱16) 31.750(1 1╱4) 48.3 1.5
44.450

(13╱4

BR 283720 UU 193 44.450(1 3╱4) 58.738(2 5╱16) 31.750(1 1╱4) 51.5 1.5
47.625

(17╱8

BR 303920 UU 202 47.625(1 7╱8) 61.912(2 7╱16) 31.750(1 1╱4) 54.7 1.5
50.800

(2)

BR 324120 UU 216 50.800(2          ) 65.088(2 9╱16) 31.750(1 1╱4) 57.8 1.5
Basic dynamic load rating

C

N

Basic static load rating

C0

N

Allowable rotational

speed(2)

 

min-1

18 300 20 000 12 000
20 700 24 400 10 000
21 600 26 900 9 000
23 600 31 300 8 000
34 900 49 900 7 000
36 000 53 500 6 500
38 500 60 000 5 500
43 700 66 900 5 500
44 800 70 900 4 500
47 500 78 200 4 500
48 500  

82 100

4 000
51 000  

89 400

4 000

IKO BR 303920 UU,BR 324120 UU MACHINED TYPE NEEDLE ROLLER BEARINGS

IKO BR 303920 UU,BR 324120 UU Nots

Notes(1)  Maximum permissible corner radius of the housing
(2)  Allowable rotational speed applies to grease lubrication.
Remarks1. The outer ring has an oil groove and an oil hole.
2.  Bearings are provided with prepacked grease.
3.  If one side sealed type are needed, please contact IKO.

 

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