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PSI Bottom Roller Bearings are a highly specialized type of needle roller bearing specifically engineered for the demanding environment of textile machinery. Unlike standard bearings, their design incorporates features such as a high radial load capacity to handle the significant forces of the drafting process, a compact form factor to fit within tight machine spaces, and a robust sealed construction to protect against contamination from cotton fibers and dust. A key feature is the crowned outer ring, which allows the bearing to tolerate minor misalignments, ensuring smooth and consistent rotation of the fluted rollers at high speeds. This precision and durability are crucial for the production of uniform, high-quality yarn, making these bearings an essential component in ring spinning frames, roving frames, and other textile machines where reliability and performance directly impact the final product.

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Bottom Roller Bearings

Bottom Roller Bearings

Bottom roller bearings are vital components in textile spinning machines like ring frames and speed frames. They support the bottom rollers, ensuring smooth rotation and precise fiber drafting for uniform yarn quality. Designed to withstand high speeds, axial loads, and dusty environments, these bearings are typically sealed to resist lint and moisture. Common types include ball and needle roller bearings.

The high precision textile bottom roller bearings, low maintenance, and extended service life of these PSI Textile Bottom Roller Bearings are critical for ensuring efficient machinery operation. As a Leading manufacturers PSI produce specialized spinning bearings that are tailored to the unique demands of various textile machines, thereby guaranteeing consistent performance and increasing overall productivity.

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Bottom Roller Bearings – Holder Location Type

PSI BEARING Dimensions Holder
No. d D b B Type N Center Type W Side
PSI 2800 16.5 28 19 22 5.9 -
PSI 2820 16.5 28 19 22 - 20.2
PSI 2822 16.5 28 19 22 - 22.2
PSI 2824 16.5 28 19 22 - 24.2
PSI 2826 16.5 28 19 22 - 26.2
PSI 280023 16.5 28 19 23 5.9 -
PSI 282023 16.5 28 19 23 - 20.2
PSI 282223 16.5 28 19 23 - 22.2
PSI 282423 16.5 28 19 23 - 24.2
PSI 282623 16.5 28 19 23 - 26.2
PSI 282223 X 16.5 28 23 23 - 24.2
PSI 282423 X 16.5 28 23 23 - 24.2
PSI 28242326 16.5 28 23 26 - 24.2
PSI 282423 XC 16.5 28 23 23 - 24.2
PSI 301725.420 17 30 25.4 20 - -
PSI 3000* 18.5 30 19 22 5.9 -
PSI 3000 18.5 30 19 22 5.9 -
PSI 3000 FT 18.5 30 19 22 5.9 -
PSI 3020 18.5 30 19 22 - 20.2
PSI 3022 18.5 30 19 22 - 22.2
PSI 3226 19 32 20 23 5.9 26.2
PSI 320024 19 32 20 24 5.9 -
PSI 322024 19 32 20 24 5.9 20.2
PSI 322224 19 32 20 24 5.9 22.2
PSI 322424 19 32 20 24 5.9 24.2
PSI 322524 19 32 20 24 5.9 25.2
PSI 322624 19 32 20 24 5.9 26.2
PSI 32-01-24 (32-01-06) 24 32 22 22 5.9 24.2
PSI 3620 19 36 22 25 5.9 20.2
PSI 3622 19 36 22 25 5.9 22.2
PSI 3625 19 36 22 25 5.9 25.2
PSI 3626 19 36 22 25 5.9 26.2
PSI 362226 19 36 22 25 5.9 22.2
PSI 362426 19 36 22 25 5.9 24.2
PSI 362526 19 36 22 25 5.9 25.2
PSI 400024 23 40 21 24 5.9 24.2
PSI 4000 23 40 23.5 24 5.9 -
PSI 4020 23 40 23.5 27 5.9 20.2
PSI 4025 23 40 23.5 27 5.9 25.2
PSI 2814.2(22) 14.2 28 10 18 5.9 22.2
PSI 2814.216.623 (22) 14.2 28 16.6 23 5.9 22.2
PSI 2815(06) 15 28 13 16.8 5.9 -
PSI 281524 15 28 13 23 5.9 24.2
PSI 2816 16 28 22 26 5.9 -
PSI 2816306 16.30 28 17 23 5.9 -
PSI 2816241323 16 28 13 23 5.9 24.2
PSI 3015.875 15.88 30 25.4 20 5.9 24.2
PSI 3016 16 30 26 21 5.9 24.2
PSI 3016 (22) 16 30 26 22 5.9 22.2
PSI 3017 (26) 17 30 19 22 5.9 -
PSI 3216.3 9060 16.3 32 17 20 5.9 -
PSI 3216320 16.3 32 17 20 5.9 20.2
PSI 3216506 16.5 32 19 23 5.9 -
PSI 3216522 16.5 32 19 23 5.9 22.2
PSI 3217S 17 32 22 25 5.9 20.2
PSI 3217L 17 32 22 25 5.9 20.2
PSI 3218506 18.5 32 19 22 5.9 -
PSI 322106 21 32 19 23 5.9
PSI 3420 20 34 23 24 - -
PSI 3422 22 34 26 27 5.9 -
PSI 3618506 18.5 36 19 22 5.9 -
PSI 362106 21 36 22 26 5.9 -
PSI 362120 21 36 22 26 5.9 20.2
PSI 362122 21 36 22 26 5.9 22.2
PSI 37192526 19 37 26 26 5.9 25.2
PSI 371922 19 37 25 27 5.9 22.2
PSI 4225 22 42 25 29 5.9 20.2
PSI 401906 19 40 21 24 5.9 20.2
PSI 452429 25 45 25 29 5.9 24.2
PSI 452529 25 45 25 29 5.9 25.2
PSI 450029 25 45 25 29 5.9 -
PSI 213020 18 30 - 22 5.9 20.2
BOTTOM ROLLER BEARING PHOTOS
BOTTOM ROLLER BEARING PHOTOS-1 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-2 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-3 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-4 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-5 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-6 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-7 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-8 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-9 5.9
PSI BOTTOM ROLLER BEARING PHOTOS-10 5.9
Pin Location Type
PSI 28(P)16 16 28 26 22 3 x 2.5 TEX Z 204
PSI 28(P)16.5 16.5 28 23 22 3 x 2.5 -
PSI 28(P)16.5(27) 16.5 28 27 23 2.5 x 2.0 -
PSI 28(P)16.5(23X) 16.5 28 23 23 3 x 2.5 -
PSI 30(P)15.875 15.875 30 25.4 20 2.5 x 2.5 -
PSI 30(P)16 16 30 26 21 3 x 2.5 -
PSI 31.5(P)18-24 18 31.5 24 23 2.5 x 2.5 -
PSI 31.750(P)18 18 31.75 24 23 2.5 x 2.5 -
PSI 32(P)01** 24 32 - 22 2.5 x 2 -
PSI 32(P)18-24 18 32 24 23 2.5 x 2.5 -
PSI 32(P)18-26 18 32 26 23 2.5 x 2.5 -
PSI 32 (P)19 19 32 20 23 3 x 2.5 -
PSI 32 (P)19.26 19 32 26 23 3 x 2.5 -
PSI 28(P) 22** 24 32 - 22 2.5 x 2 -
PSI 34(P)18 18 34 21 26 2.5 x 2.5 -
PSI 34(P) 20-26 20 34 26 23 3 x 2.5 -
PSI 40(P)22-26 22 40 26 24 3 x 2.5 -
PSI 42(P)25 25 42 26 24 4 x 4 -
PSI 35(P)17 BB 17 35 22 22 4 x 4.2 -
Ring Spinning
Designation Interchangeable

BOTTOM ROLLER BEARINGS - Pin Location Type

PSI BEARING Dimensions Holder
No. d D b B Type N Center
PSI 28(P)16 16 28 26 22 3 x 2.5
PSI 28(P)16.5 16.5 28 23 22 3 x 2.5
PSI 28(P)16.5(27) 16.5 28 27 23 2.5 x 2.0
PSI 28(P)16.5(23X) 16.5 28 23 23 3 x 2.5
PSI 30(P)15.875 15.875 30 25.4 20 2.5 x 2.5
PSI 30(P)16 16 30 26 21 3 x 2.5
PSI 31.5(P)18-24 18 31.5 24 23 2.5 x 2.5
PSI 31.750(P)18 18 31.75 24 23 2.5 x 2.5
PSI 32(P)01** 24 32 - 22 2.5 x 2
PSI 32(P)18-24 18 32 24 23 2.5 x 2.5
PSI 32(P)18-26 18 32 26 23 2.5 x 2.5
PSI 32 (P)19 19 32 20 23 3 x 2.5
PSI 32 (P)19.26 19 32 26 23 3 x 2.5
PSI 28(P) 22** 24 32 - 22 2.5 x 2
PSI 34(P)18 18 34 21 26 2.5 x 2.5
PSI 34(P) 20-26 20 34 26 23 3 x 2.5
PSI 40(P)22-26 22 40 26 24 3 x 2.5
PSI 42(P)25 25 42 26 24 4 x 4
PSI 35(P)17 BB 17 35 22 22 4 x 4.2

BOTTOM ROLLER BEARINGS - Ring Spinning Type

SRNO Designation Interchangeable SRNO Designation Interchangeable
1 M 75100 F-84174 20 M 76900 BR 3600 SPL (SPL CAGE)
2 M 76220 UW 2136.20 21 M 77826 TEX Z 232
3 M 75222 UW 2136.22 22 M 77826 BR 3222 SPL(16 NEEDLES)
4 M 75324 F-94733 23 M 77500 BR 3200 SPL(16 NEEDLES)
5 M 76100 F-56875-1 24 M 77600 BR 2800 SPL
6 M 75400 F-52364 25 M 77799 BR 4319 SPL
7 M 75599 F-52364 26 M 77900 BR 3216.3 SPL
8 M 75788 F-29934 27 M 77024 BR 322424 SPL (18 NEEDLES)
9 M 75888 F-22648 28 M 77299 BR 5525 / NSC SPEED FRAME
10 M 76088 F-21460 29 M 78022 EJECT 200120
11 M 75688 F-32664 30 M 78270 BR 3220 SPL (16 NEEDLES WITH CLIP)
12 M 77400 F-23482 31 M 78320 BR 3220 (16 NEEDLES)
13 M 75900 UL 32-0036128 32 M 78424 BR 3224 (16 NEEDLES)
14 M 76311 NFB 15Z-3 33 M 76877 2B 18-3
15 M 76411 NFB 18-2 34 M 77100 BR 320024 SPLS
16 M 76511 2B 19Z-3A 35 M 78188 BR 32-01-06
17 M 76611 NFB 19Z-1B 36 M 78525 BR 3625 SPL
18 M 76711 NFB 16-2 37 M 78626 BR 3626 SPL
19 M 76811 2B 18-3 38 M 78722 BR 213022

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