Product Name : SPB
Product Description

Self-lubricated Brass Alloy Bushings SPB

Brass alloy with embedded solid lubricant bushing is to open cavities of appropriate size and orderly arrangement on the metal friction surface of the bushing matrix. It was embedded a molded solid lubricant with unique self-lubricating properties in the cavities (the solid lubricant area is generally 25% -35% of the friction area) and made of self-lubricating bushings.

It has been used in metallurgy of continuous casting machine, rolling equipment, mining machinery, shipbuilding, gas turbines and other high temperature, high load, low speed heavy load and other occasions.

ITEM NO=SPB-XX XX  XX
                        ID OD Length
Product Introduction

Material: High Tensile Brass Alloy + Graphite Solid Lubricant Embedded

Features:
  1. May work without any oil for a long period.
  2. Extremely high load capacity, good anti-wear and lower friction
  3. Particularly appropriate for low speed and high load.
  4. Suitable for reciprocating, oscillating or intermittent motion where oil film is hard to be formed.
  5. Good chemical resistant and anti-corrosion characteristics.
  6. Can be used in wide range of temperature from -40℃-+300℃.
  7. Low maintenance frequency.
Technical Data
Material CuZn24AL6
Hardness HB230-270
Coefficient of friction(μ) <0.16
Max. Temp. 300℃
Max. dynamic load 100 N/mm²
Max. speed(Dry) 0.4 m/s
Max. speed (Lubrication) 5 m/s
PV limit 3.8 N/mm² *m/s
Chemical Compositions
Chemical Compositions %
Cu Zn Al Fe Mn Si Ni Sn Pb
64.24 25.10 5.17 2.67 2.82 <0.1 <0.5 <0.2 <0.2

Product Model : SPB

  • Self-lubricated Brass Alloy Bushings #500SP (SPB) can be used in rotation, swing and reciprocating motion.
  • If it is subjected to axial load, please use it in combination with #500SP washer (SPW).
  • Please avoid using in water.
  • The inner diameter of 31.5mm is in the middle of the hydraulic cylinder trunnion bushing.
  • ITEM NO=SPB-XX XX  XX
                            ID OD Length
Shaft diameterDimension (mm)Length (Tolerance )IDODMating washer SPW
IDOD810121516202530354050607080100120130140150
ØdTOLØDTOLSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPBSPB
8 8 +0.028 12 +0.018 -0.81208 -081210 -081212 -081215                               8 12 ------
+0.013 +0.007
10 10   14   -101408 -101410 -101412 -101415   -101420                           10 14 -1003
 
12 12 +0.034 18   -121808 -121810 -121812 -121815 -121816 -121820 -121825 -121830                       12 18 -1203
+0.016
13 13   19 +0.021   -131910 -131912 -131915   -131920                           13 19 -1303
  +0.008
14 14   20     -142010 -142012 -142015   -142020 -142025 -142030                       14 20 -1403
 
15 15   21     -152110 -152112 -152115 -152116 -152120 -152125 -152130                       15 21 -1503
 
16 16   22     -162210 -162212 -162215 -162216 -162220 -162225 -162230 -162235 -162240                   16 22 -1603
 
18 18   24       -182412 -182415 -182416 -182420 -182425 -182430                       18 24 -1803
 
20 20 +0.041 28     -202810 -202812 -202815 -202816 -202820 -202825 -202830 -202835 -202840 -202850                 20 28 -2005
+0.02
20   30           -203016 -203020 -203025 -203030 -203035 -203040                   20 30 "
25 25   33 +0.025     -253312 -253315 -253316 -253320 -253325 -253330 -253335 -253340 -253350 -253360               25 33 -2505
+0.009
25   35       -253512 -253515 -253516 -253520 -253525 -253530 -253535 -253540 -253550                 25 35 "
30 30   38       -303812 -303815   -303820 -303825 -303830 -303835 -303840 -303850 -303860               30 38 -3005
30   40       -304012 -304015   -304020 -304025 -304030 -304035 -304040 -304050 -304060               30 40 "
31.5 31.5 +0.05 40                 -314030   -314040                   31.5 40 ------
+0.025
35 35   44               -354425 -354430 -354435 -354440 -354450 -354460               35 44 -3505
35   45             -354520 -354525 -354530 -354535 -354540 -354550 -354560               35 45 "
40 40   50         -405015   -405020 -405025 -405030 -405035 -405040 -405050 -405060 -405070 -405080           40 50 -4007
40   55 +0.03               -405530 -405535 -405540 -405550 -405560               40 55 "
+0.011          
45 45   55                 -455530 -455535 -455540 -455550 -455560               45 55 -4507
45   56                 -455630 -455635 -455640 -455650 -455660               45 56 "
45   60                 -456030 -456035 -456040 -456050 -456060 -456070 -456080           45 60 "
50 50   60             -506020   -506030 -506035 -506040 -506050 -506060 -506070 -506080           50 60 -5008
50   62                 -506230 -506235 -506240 -506250 -506260 -506270             50 62 "
50   65                 -506530   -506540 -506550 -506560 -506570 -506580 -5065100         50 65 "
55 55 +0.06 70                 -557030 -557035 -557040 -557050 -557060 -557070             55 70 -5508
+0.03              
60 60   74                 -607430 -607435 -607440 -607450 -607460 -607470 -607480           60 74 -6008
60   75                 -607530 -607535 -607540 -607550 -607560 -607570 -607580 -6075100         60 75 "
63 63   75                         -637560 -637570 -637580           63 75 ------
65 65   80                     -658040 -658050 -658060 -658070 -658080           65 80 -6508
70 70   85 +0.035               -708530 -708535 -708540 -708550 -708560 -708570 -708580 -7085100         70 85 -7010
+0.013
70   90                       -709050 -709060 -709070 -709080           70 90 "
75 75   90                       -759050 -759060 -759070 -759080 -7090100         75 90 -7510
75   95                         -759560 -759570 -759580 -7595100         75 95 "
80 80   96                     -809640 -809650 -809660 -809670 -809680 -8096100 -8096120       80 96 -8010
80   100                     -8010040 -8010050 -8010060 -8010070 -8010080 -80100100 -80100120   -80100140   80 100 "
90 90 +0.071 110                       -9011050 -9011060   -9011080 -90110100 -90110120       90 110 -9010
+0.036                  
100 100   120                       -10012050 -10012060 -10012070 -10012080 -100120100 -100120120   -100120140   100 120 -10010
                   
110 110   130 +0.04                   -11013050   -11013070 -11013080 -110130100 -110130120       110 130 ------
+0.015                    
120 120   140                           -12014070 -12014080 -120140100 -120140120   -120140140   120 140 -12010
125 125 +0.083 145                               -125140100 -125145120       125 145 ------
+0.043                    
130 130   150                             -13015080 -130150100   -130150130     130 150 ------
                   
140 140   160                               -140160100     -140160140   140 160 ------
                   
150 150   170                             -15017080 -150170100       -150170150 150 170 ------
                 
160 160   180                             -16018080 -160180100       -160180150 160 180 ------