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Part Numbering System for Inch Series Ball Bearings || Dynaroll

PART NUMBERING SYSTEM

BALL BEARINGS PART NUMBERING SYSTEM

INCH SERIES BALL BEARINGS


SPECIFICATION
MATERIAL TYPE BASIC NUMBER STAINLESS MATERIAL TYPE RETAINER CODE (normally omitted) SHIELDS, SEALS
EXAMPLE: SFR188h15ZZMC3E5PAKCK
SPECIFICATION
S FR 188 h15   ZZ
Available types:
No code -52100
chrome alloy steel



S - Stainless steel(see material type code)		 R - Standard (straight)


FR - Flanged

RW - Extended inner ring

FRW -Flanged, extended inner ring		 Bearing listed by Bore x OD x Width



See available bearings table		 No code - AISI 440C stainless steel


h15 -DR stainless

h25 - ESI Stainless

No code - retainer as shown in individual bearing table

Specific retainer*;
J -Ribbon
W -Crown
T12 - Plastic

*check availability

 Single Double
Z   ZZ fixed, non removable*
ZS ZZS Removable
V   VV Non-contact seal
D   DD Contact seal
TS  TTS Teflon seal

*Dynaroll standard shield is ZZ type
SPECIFICATION
RADIAL
PLAY		 NOISE TOLERANCE SPECIAL FEATURES LUBRICANT TYPE LUBRICANT PROCESS
EXAMPLE: SFR188h15ZZMC3E5PAKCK
SPECIFICATION
MC3 E 5P AKC K
Available types:
MC2 (Tight) .0001-.0003 in.
(.003-.008mm)
MC3 (standard) .0002-.0004 in.
(.005-.010mm)
MC4 (standard) .0003-.0005 in.
(.008-.013mm)
MC5 (loose) .005-.0008 in.
.013-.020mm) 		No code - Standard

E - Noise tested		 1 - ABEC 1
3 - ABEC 3
5P - ABEC 5P
7P - ABEC 7P

See ABEC/ISO tolerances		 No code - standard bearing

U88 - Outer surface free from lubricant and scratches.
U23 - No Oil on exterior surfaces.
CGn - Bearing sorted for Radial Play n x .001 mm (+/- .002 mm)

Contact DR for other special requirements.

See Lubrication for a discussion and a list of available lubricants

Contact DR for other special lubricant requirements.

Oil
S-Standard lubrication
X-Centrifuge cleaning
y-Oil plating


Grease
K - 20% +/- 5% fill by volume
L - 30% +/- 5% fill by volume
z - Grease plating

METRIC MR SERIES BALL BEARINGS

SPECIFICATION
MATERIAL TYPE BASIC NUMBER STAINLESS MATERIAL TYPE RETAINER CODE (normally omitted) SHIELDS, SEALS
EXAMPLE: SMR148ZZC3EP6AKCK
SPECIFICATION
S FR 188 h15   ZZ
Available types:
No code -52100
chrome alloy steel


S - Stainless steel (see material type code)		 MR - Standard (straight)

MF - Flanged

 Bearing listed by Bore x OD x Width

See available bearings table		 No code - AISI 440C stainless steel

h15 -DR stainless

h25 - ESI Stainless

No code - retainers as shown in individual bearing table page

Specific retainer*;
J -Ribbon
W -Crown
T12 - Plastic

 Single Double
Z   ZZ fixed, non removable*
ZS ZZS Removable
V   VV Non-contact seal
D   DD Contact seal
TS  TTS Teflon seal

*Dynaroll standard shield is ZZ type
SPECIFICATION
RADIAL
PLAY		 NOISE TOLERANCE SPECIAL FEATURES LUBRICANT TYPE LUBRICANT PROCESS
EXAMPLE: SFR188h15ZZMC3E5PAKCK
SPECIFICATION
MC3 E 5P AKC K
Available types:
MC2 (Tight) .0001-.0003 in.
(.003-.008mm)
MC3 (standard) .0002-.0004 in.
(.005-.010mm)
MC4 (standard) .0003-.0005 in.
(.008-.013mm)
MC5 (loose) .005-.0008 in.
.013-.020mm)




No code - Standard

E - Noise tested 		P0 - ISO Class 0
P6 - ISO Class 6
P5 - ISO Class 5
P4 - ISO Class 4

See ABEC/ISO tolerances		 No code - standard bearing

U88 - Outer surface free from lubricant and scratches.
U23 - No Oil on exterior surfaces.
CGn - Bearing sorted for Radial Play n x .001 mm (+/- .002 mm)

Contact DR for other special requirements.

See Lubrication for a discussion and a list of available lubricants

Contact DR for other special lubricant requirements.

Oil
S-Standard lubrication
X-Centrifuge cleaning
y-Oil plating


Grease
K - 20% +/- 5% fill by volume
L - 30% +/- 5% fill by volume
z - Grease plating