IOM/CPHM/DEC19/01
ISSUE DATE:14-12-2019
Page
10 | 48
REVISION NO.1
4.3.2 Bearing Details:
DRIVING UNIT
NO.
SPEED IN RPM
BEARING
ARRANGEMENT
BEARING SIZE
DE
NDE
5
7
9
11
11A
11B
13,13
A
Upto 3000 rpm
Upto 3000 rpm
Upto 3000 rpm
Upto 3000 rpm
Upto 1500 rpm
Upto 1500 rpm
Upto 1500 rpm
Standard supply
Standard supply
Standard supply
Standard supply
Standard supply
Standard supply
Standard supply
SKF-6305
(1 No.)
SKF-3307
(1 No.)
SKF-3309BG
(1 No.)
SKF-3311
(1 No.)
SKF-7311BECP
2 No./1 pair
SKF-7311BECP
2 No./1 pair
SKF-7313BG
2 No./1 pair
SKF-6305
(1 No.)
SKF-NU307
(1 No.)
SKF-NU309
(1 No.)
SKF-NU311
(1 No.)
SKF-NU311
(1 No.)
SKF-NU311
(1 No.)
SKF-NU313
(1 No.)
NOTES:
1 .Bearings of SKF make or equivalent are used.
2.
The bearing arrangement mentioned above are suitable for suction pressure less
than 2 kg/cm
2
. For application involving suction pressure above 2 kg/cm
2
please
refer to Marketing, Pune.
3. C3 clearance bearings are used.
4. Axial running clearance shall be less than 0.45 mm for all above
bearing arrangements.
5. Maximum allowable temperature of bearings shall be 80
0
C.
6. Bearings are grease lubricated for unit Nos. 4, 5, 7 and 9 and oil lubricated for
unit-11 and 13 pumps. Oil level in the bearing housing is maintained upto the
desired level with the help of constant level oiler. Constant level oiler is our
standard supply.