SKF bushing bearings designation

The designation for SKF bushing bearings identifies SKF bushings type, size, and material. Other designation about SKF rolling bearings refer to SKF bearing nomenclature.

SKF solid bronze bushings

Examples: PBM 354550 M1G1
(straight design) 

P Plain bearing 
B Solid bronze 
M Metric size 
354550

Dimensions [mm]:

  • 35 = bore diameter d 
  • 45 = outside diameter D 
  • 50 = width B 
M1 Material 
(CuSn7Zn4Pb7-B) 
G1  Lubrication groove

PBMF 607535 M1G1
(flanged design) 

P Plain bearing 
B Solid bronze 
M Metric size 
Flanged design 
607535

Dimensions [mm]:

  • 60 = bore diameter d 
  • 75 = outside diameter D 
  • 35 = width B 
M1 Material 
(CuSn7Zn4Pb7-B) 
G1  Lubrication groove

SKF sintered bronze bushings

Examples: PSM 060904 A51 
(straight design) 

P Plain bearing 
S Sintered bronze 
M Metric size 
060904

Dimensions [mm]:

  • 06 = bore diameter d 
  • 09 = outside diameter D 
  • 04 = width B 
A51 Material 
(SINT A51) 

PSMF 354540A51 
(flanged design)

P Plain bearing 
S Sintered bronze 
M Metric size 
Flanged design 
354540

Dimensions [mm]:

  • 35 = bore diameter d 
  • 45 = outside diameter D 
  • 40 = width B 
A51 Material 
(SINT A51) 

SKF wrapped bronze bushings

Examples: PRM 252815 
(straight design) 

P Plain bearing 
R Wrapped bronze 
M Metric size 
252815

Dimensions [mm]:

  • 25 = bore diameter d 
  • 28 = outside diameter D 
  • 15 = width B 

PRMF 505530 
(flanged design) 

P Plain bearing 
R Wrapped bronze 
M Metric size 
Flanged design 
505530

Dimensions [mm]:

  • 50 = bore diameter d 
  • 55 = outside diameter D 
  • 30 = width B

SKF PTFE composite bushings

Examples:PCM 040510 E/VB055 
(straight design, metric size) 

P Plain bearing 
C Composite material 
M Metric size 
040510

Dimensions [mm]:

  • 04 = bore diameter d 
  • 05 = outside diameter D 
  • 10 = width B 
E PTFE composite 
VB055  actual outside diameter D does not correspond to D in the designation (which is 9 mm in this example), but is 0,5 mm larger  

PCZ 1208 E 
(straight design, inch size)

P Plain bearing 
C Composite material 
Z Inch size 
1208

Dimensions, whereas bore diameter and width in sixteenths of an inch: 

  • bore diameter d = 12/16 = 3/4 inch (= 19,05 mm) 
  • width B = 8/16 = 1/2 inch (= 12,7 mm) 
E PTFE composite  

PCMF 252811.5 E 
(flanged design) 

P Plain bearing 
C Composite material 
M Metric size 
Flanged design 
252811.5

Dimensions [mm]:

  • 25 = bore diameter d 
  • 28 = outside diameter D 
  • 11.5 = width B 
E PTFE composite  

SKF POM composite bushings

Examples: PCM 10010560 M 
(straight design, metric size) 

P Plain bearing 
C Composite material 
M Metric size 
10010560

Dimensions [mm]:

  • 100 = bore diameter d 
  • 105 = outside diameter D 
  • 60 = width B 
M POM composite 

PCZ 1208 M 
(straight design, inch size)

P Plain bearing 
C Composite material 
Z Inch size 
1208

Dimensions, whereas bore diameter and width in sixteenths of an inch: 

  • bore diameter d = 12/16 = 3/4 inch (= 19,05 mm) 
  • width B = 8/16 = 1/2 inch (= 12,7 mm) 
M POM composite  

SKF PTFE polyamide bushings

Examples: PPM 161815 
(straight design)

P Plain bearing 
P PTFE polyamide 
M Metric size 
161815

Dimensions [mm]:

  • 16 = bore diameter d 
  • 18 = outside diameter D 
  • 15 = width B 

PPMF 202311.5 
(flanged design)

P Plain bearing 
P PTFE polyamide 
M Metric size 
Flanged design 
202311.5

Dimensions [mm]:

  • 20 = bore diameter d 
  • 23 = outside diameter D 
  • 11.5 = width B 

SKF filament wound bushings

Example: PWM 120135100

P Plain bearing 
W Filament wound 
M Metric size 
120135100

Dimensions [mm]:

  • 120 = bore diameter d 
  • 135 = outside diameter D 
  • 100 = width B 

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Related products

Related numbers

SKF PCMF121407E bushings
12mm x 14mm x 7mm
SKF PCM101212E bushings
10mm x 12mm x 12mm
SKF PCM606570E bushings
60mm x 65mm x 70mm
SKF PCM606540E bushings
60mm x 65mm x 40mm
SKF PCM303430E bushings
30mm x 34mm x 30mm
SKF PCM283220E bushings
28mm x 32mm x 20mm
SKF PCM10010560E bushings
100mm x 105mm x 60mm