IKO BR 445628 UU,BR 486028 UU MACHINED TYPE NEEDLE ROLLER BEARINGS
IKO BR 445628 UU,BR 486028 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. | (1) ras max | |||
57.150 (21╱4) | BR 364828 UU | 459 | 57.150(2 1╱4) | 76.200(3 ) | 44.450(1 3╱4) | 69.0 | 1.5 |
63.500 (21╱2) | BR 405228 UU | 499 | 63.500(2 1╱2) | 82.550(3 1╱4) | 44.450(1 3╱4) | 74.3 | 2.0 |
69.850 (23╱4) | BR 445628 UU | 540 | 69.850(2 3╱4) | 88.900(3 1╱2) | 44.450(1 3╱4) | 80.7 | 2.0 |
76.200 (3) | BR 486028 UU | 585 | 76.200(3 ) | 95.250(3 3╱4) | 44.450(1 3╱4) | 87.0 | 2.0 |
82.550 (31╱4) | BR 526828 UU | 891 | 82.550(3 1╱4) | 107.950(4 1╱4) | 44.450(1 3╱4) | 99.7 | 2.0 |
88.900 (31╱2) | BR 567232 UU | 1 098 | 88.900(3 1╱2) | 114.300(4 1╱2) | 50.800(2 ) | 106.1 | 2.0 |
95.250 (33╱4) | BR 607632 UU | 1 161 | 95.250(3 3╱4) | 120.650(4 3╱4) | 50.800(2 ) | 111.4 | 2.5 |
Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed(2)
min-1 |
90 300 | 158 000 | 3 500 |
94 600 | 174 000 | 3 000 |
98 700 | 189 000 | 2 500 |
105 000 | 211 000 | 2 500 |
109 000 | 227 000 | 2 500 |
142 000 | 265 000 | 2 000 |
148 000 | 287 000 | 2 000 |
IKO BR 445628 UU,BR 486028 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.