Differently Kinds Of Bearings
Spindle bearings (high precision angular contact ball bearings)
in dimension series: B7002.. up to B7048..
HS/HC7003.. up to HS/HC7026..
B7203.. up to B7244..
B71903.. up to B71972..
HS/HC71903.. up to HS/HC71926..
A7303.. up to A7312..
contact angles: 15กใ and 25กใ (C- and E-design)
cage-design: Machined window-type cage of textile laminated phenolic resin, brass cage on request
sealed spindle bearings (suffix ....2RSD)
high speed bearings in standard and hybrid design
tolerance class P4S is standard quality, but also available in tolerance classes P4, P2, P2S (correspond to ABEC9), HG
all bearings are supplied in universal design (UL, UM or US)
spindle bearings may be ordered as a bearing set in various arrangements (e.g. O-, X-, T-, TOT- or similar)
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Angular contact ball bearings, single row
in dimension series: 7203B.. up to 7234B..
7303B.. up to 7334B..
contact angle: 40กใ
cage design: Glass-fibre reinforced polyamide 66, available also cages of brass (starting bore reference number 21 - standard design), sheet steel resp. sheet brass
bearings are machined to normal tolerances according to standard of SLF, tolerance classes P6, P5 or P4 are available on request
besides of normal design universal designs are also available according to standard, e.g. UO, UA
angular contact ball bearings may be ordered as a bearing set in various arrangements (e.g. O-, X-, T-, TOT- or similar)
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Deep groove ball bearings, single row
in dimension series: 6004 up to 6026
6204 up to 6226
6304 up to 6322
6404 up to 6414
16004 up to 16026
62204 up to 62214
63005 up to 63010
62305 up to 62310
6004 and 6304 - production only in special designs, e.g. with cage designs TB (machined cage of textile laminated phenolic resin) or M (machined brass cage)
cage designs: sheet steel cage, TB cage, brass cage or cage of glass-fibre reinforced polyamide 66
bearings are supplied with seals (contacting seals) or shields (non contacting seals) as well as with one seal or shield and two seals or shields
special lubrications are possible apart from standard lubrication
all bearings are noise-tested up to bore reference number 12. Past it a 100 percent inspection of sequences takes place.
bearings are available on request with annular groove with or without retainer ring
various radial clearance groups are available
tapered bores are possible, too
designs in tolerance classes P6, P5, P4 are possible
larger dimensions on request
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Self-aligning ball bearings
in dimension series: 1204.. up to 1220..
2204.. up to 2220..
1304.. up to 1319..
2304.. up to 2319..
11205.. up to 11212..
11306.. up to 11310..
cage design: cage of glass-fibre reinforced polyamide 66 resp. brass cages for larger measurements, sheet steel cages on request
series 22.. and 23.. also in sealed version
self-aligning ball bearings are available with cylindrical and tapered bore
larger dimensions on request
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Magneto bearings
of following types: BO15
L17, BO17
E20, L20, M20
L25
cage design: Glass-fibre reinforced polyamide 66 or sheet brass
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S-type bearings
in dimension series: 16203/15 up to 16210
26204 up to 26212
36204B up to 36210B
56204 up to 56212
76204B.2RSR up to 76209B.2RSR
cage design: Glass-fibre reinforced polyamide 66
Radial clearance C3 according to standard
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Four-point bearings
at the moment selected types or series Q.. and QJ.., e.g. Q306, QJ306, QJ308, QJ206, QJ207, QJ208, QJ209, QJ210, QJ212, QJ218, Q313, Q317
additional types are possible on request
cage design: Glass-fibre reinforced polyamide 66 or brass
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Special bearings
in the range of measurement of outside diameter from 32 up to 500 mm
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Cylindrical roller bearings (single row)
in dimension series: NU NJ NUP up to 252
NU NJ NUP 2204 up to 2256
NU NJ NUP 304 up to 348
NU NJ NUP 2304 up to 2344
NU 1004 up to 1064
cage designs: sheet steel cage, TB cage, brass cage or cage of glass-fibre reinforced polyamide 66
special lubrications are possible apart from standard lubrication
bearings are available on request with annular groove with or without retainer ring
various radial clearance groups are available
tapered bores are possible too
designs in tolerance classes P6, P5, P4 are possible
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Cylindrical roller bearings (double row)
in dimension series: NN 3006 up to 3034
cage design: brass cage
standard clearance is C1
therefore bearings are not exchangeable
bearings have a special tolerance class HP (high precision)
bearings have a standard tapered bore
On request every outer ring can be supplied with a lubricating nut and lubricating holes.
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