Product Overview
Track Roller Bearings
Yoke type and stud type track rollers for cam drives, conveyors, guideways and heavy-duty automation.
Yoke Type and Stud Type Track Roller Bearings
Track rollers use a thick-section outer ring to run directly on tracks, cams and guide surfaces. We support full-complement, caged, sealed, crowned and cylindrical outer-ring designs.
Popular Track Roller Series
- NNTR and RSU double-row yoke track rollers
- NUTR and PWTR full-complement yoke rollers
- NUKR, NUKRE, KR, KRV and CF stud type cam followers
- NATR and NATV needle roller track rollers
- LFR profiled outer-ring track rollers
Reference Groups
Track Roller Bearings series and model references
Use these groups to identify the requested design. A reference is not an interchange approval; dimensions, suffixes and operating conditions must still be checked.
| Design group | Common references or options |
|---|---|
| Double-row yoke rollers | NNTR, RSU |
| Full-complement yoke rollers | NUTR, PWTR |
| Needle roller yoke followers | NATR5-PP–NATR50-PP, NATV5-PP–NATV50-PP |
| Full-complement stud followers | KRV16-PP through KRV90-PP |
| Stud type cam followers | NUKR35 through NUKR110, NUKRE, CF |
| Profiled track rollers | LFR and drawing-based groove profiles |
Track Roller Bearings model directory
Browse individual model dimensions, applications and common cross references.
KRV35-PPKRV35PP · Stud Type Cam Follower · Full Complement KRV
KRV16-PPKRV16PP · Stud Type Cam Follower
KRV19-PPKRV19PP · Stud Type Cam Follower
KRV22-PPKRV22PP · Stud Type Cam Follower
KRV26-PPKRV26PP · Stud Type Cam Follower
KRV30-PPKRV30PP · Stud Type Cam Follower
KRV32-PPKRV32PP · Stud Type Cam Follower
KRV40-PPKRV40PP · Stud Type Cam Follower
KRV47-PPKRV47PP · Stud Type Cam Follower
KRV52-PPKRV52PP · Stud Type Cam Follower
KRV62-PPKRV62PP · Stud Type Cam Follower
KRV72-PPKRV72PP · Stud Type Cam Follower
KRV80-PPKRV80PP · Stud Type Cam Follower
KRV90-PPKRV90PP · Stud Type Cam Follower
NATV30-PPNATV30PP · Yoke Type Track Roller · Full Complement NATV
NATV5-PPNATV5PP · Full Complement Yoke Track Roller
NATV6-PPNATV6PP · Full Complement Yoke Track Roller
NATV8-PPNATV8PP · Full Complement Yoke Track Roller
NATV10-PPNATV10PP · Full Complement Yoke Track Roller
NATV12-PPNATV12PP · Full Complement Yoke Track Roller
NATV15-PPNATV15PP · Full Complement Yoke Track Roller
NATV17-PPNATV17PP · Full Complement Yoke Track Roller
NATV20-PPNATV20PP · Full Complement Yoke Track Roller
NATV25-PPNATV25PP · Full Complement Yoke Track Roller
NATV35-PPNATV35PP · Full Complement Yoke Track Roller
NATV40-PPNATV40PP · Full Complement Yoke Track Roller
NATV50-PPNATV50PP · Full Complement Yoke Track Roller
NATR15-PPNATR15PP · Yoke Track Roller
NATR20-PPNATR20PP · Yoke Track Roller
NATR30-PPNATR30PP · Yoke Track Roller
NATR5-PPNATR5PP · Yoke Track Roller
NATR6-PPNATR6PP · Yoke Track Roller
NATR8-PPNATR8PP · Yoke Track Roller
NATR10-PPNATR10PP · Yoke Track Roller
NATR12-PPNATR12PP · Yoke Track Roller
NATR17-PPNATR17PP · Yoke Track Roller
NATR25-PPNATR25PP · Yoke Track Roller
NATR35-PPNATR35PP · Yoke Track Roller
NATR40-PPNATR40PP · Yoke Track Roller
NATR50-PPNATR50PP · Yoke Track Roller
NUKR35NUKR 35 · Stud Type Cam Follower
NUKR40NUKR 40 · Stud Type Cam Follower
NUKR47NUKR 47 · Stud Type Cam Follower
NUKR52NUKR 52 · Stud Type Cam Follower
NUKR62NUKR 62 · Stud Type Cam Follower
NUKR72NUKR 72 · Metric Cam Follower
NUKR80NUKR 80 · Stud Type Cam Follower
NUKR90NUKR 90 · Stud Type Track Roller
NUKR110NUKR 110 · Heavy Stud Track Roller
NNTR5512043RSU55-120 · NNTR 55x120x43
NNTR5013065-2ZLNNTR50X130X65-2ZL · RSU50-130 · NNTR5013065
NNTR5514070RSU55-140 · NNTR 55x140x70
NUTR45100NUTR45-100 · Yoke Type Track Roller
NUTR50110NUTR50-110 · Yoke Type Track Roller
NUTR25NUTR25-A · Yoke Type Track Roller
NUTR30NUTR30-A · Yoke Type Track Roller
NUTR35NUTR35-A · Yoke Type Track Roller
NUTR40NUTR40-A · Yoke Type Track Roller Information required for selection
- Mounting
- Confirm yoke bore mounting or stud mounting, including thread and shoulder details.
- Running surface
- Crowned, convex, cylindrical, V-groove or other profiled outer ring.
- Envelope
- Bore or stud diameter, outside diameter, outer-ring width and overall width.
- Track duty
- Radial load, occasional axial load, speed, shock and track hardness.
- Lubrication
- Sealed-for-life or relubricable construction and grease compatibility.
Processed technical reference
NATR..-PP Track Roller Dimensions and Load Reference
A processed comparison table for initial model identification. Public competitor data was checked against current Schaeffler reference data; current primary-source values are shown where the publications differ.
| Model | d mm | D mm | B mm | C mm | d2 mm | Crw kN | C0rw kN | Curw kN | nDG rpm | Mass kg |
|---|---|---|---|---|---|---|---|---|---|---|
| NATR5-PP | 5 | 16 | 12 | 11 | 12.5 | 3.20 | 3.45 | 0.465 | 14,000 | 0.014 |
| NATR6-PP | 6 | 19 | 12 | 11 | 15 | 3.55 | 4.10 | 0.560 | 11,000 | 0.019 |
| NATR8-PP | 8 | 24 | 15 | 14 | 19 | 5.50 | 6.70 | 0.940 | 7,500 | 0.038 |
| NATR10-PP | 10 | 30 | 15 | 14 | 23 | 6.80 | 8.70 | 1.240 | 5,500 | 0.064 |
| NATR12-PP | 12 | 32 | 15 | 14 | 25 | 7.00 | 9.20 | 1.320 | 4,500 | 0.066 |
| NATR15-PP | 15 | 35 | 19 | 18 | 27.6 | 9.70 | 14.50 | 1.860 | 3,600 | 0.095 |
| NATR17-PP | 17 | 40 | 21 | 20 | 31.5 | 10.90 | 16.00 | 2.130 | 2,900 | 0.139 |
| NATR20-PP | 20 | 47 | 25 | 24 | 36.5 | 15.40 | 26.00 | 3.450 | 2,400 | 0.236 |
| NATR25-PP | 25 | 52 | 25 | 24 | 41.5 | 15.20 | 27.00 | 3.600 | 1,800 | 0.271 |
| NATR30-PP | 30 | 62 | 29 | 28 | 51 | 23.30 | 39.50 | 5.300 | 1,300 | 0.444 |
| NATR35-PP | 35 | 72 | 29 | 28 | 58 | 24.80 | 45.00 | 6.000 | 1,000 | 0.547 |
| NATR40-PP | 40 | 80 | 32 | 30 | 66 | 32.50 | 59.00 | 8.400 | 850 | 0.795 |
| NATR50-PP | 50 | 90 | 32 | 30 | 76 | 31.00 | 60.00 | 8.500 | 650 | 0.867 |
Selection notice: Reference data only. Suffix, internal design, permissible outer-ring load, lubrication, track hardness and current manufacturer data must be verified before selection or quotation.
Data sources and processing notes
- Schaeffler Aerospace Standard Products - NATR..-PP - Primary technical reference used for the displayed values.
- Factory NATR..-PP track roller catalog - Factory production range used for model identification and RFQ review.
Processed technical reference
NATV..-PP Full-Complement Track Roller Envelope Reference
NATV shares the NATR envelope for each bore class but uses a full complement of needle rollers for higher radial capacity and typically lower speed capability.
| Model | d mm | D mm | B mm | C mm | d2 mm | Design |
|---|---|---|---|---|---|---|
| NATV5-PP | 5 | 16 | 12 | 11 | 12.5 | Full complement |
| NATV6-PP | 6 | 19 | 12 | 11 | 15 | Full complement |
| NATV8-PP | 8 | 24 | 15 | 14 | 19 | Full complement |
| NATV10-PP | 10 | 30 | 15 | 14 | 23 | Full complement |
| NATV12-PP | 12 | 32 | 15 | 14 | 25 | Full complement |
| NATV15-PP | 15 | 35 | 19 | 18 | 27.6 | Full complement |
| NATV17-PP | 17 | 40 | 21 | 20 | 31.5 | Full complement |
| NATV20-PP | 20 | 47 | 25 | 24 | 36.5 | Full complement |
| NATV25-PP | 25 | 52 | 25 | 24 | 41.5 | Full complement |
| NATV30-PP | 30 | 62 | 29 | 28 | 51 | Full complement |
| NATV35-PP | 35 | 72 | 29 | 28 | 58 | Full complement |
| NATV40-PP | 40 | 80 | 32 | 30 | 66 | Full complement |
| NATV50-PP | 50 | 90 | 32 | 30 | 76 | Full complement |
Selection notice: Envelope dimensions support identification. Confirm load ratings, speed limits, seals and current factory drawing before selection or quotation.
Data sources and processing notes
- Factory NATV..-PP model directory - Envelope pages for NATV5-PP through NATV50-PP used for identification and RFQ review.
- Compare with NATR..-PP caged series - NATR uses a cage; NATV is full complement. Confirm speed, load and grease life for the application.
Processed technical reference
NNTR / RSU Support Roller Verified Sample Data
Factory sample rows for initial identification of double-row support rollers. The table keeps the source designations and published units.
| Model | d mm | D mm | B mm | C mm | Crw kN | C0rw kN | Mass kg |
|---|---|---|---|---|---|---|---|
| NNTR5512043 | 55 | 120 | 43 | 41 | 170 | 260 | 2.7 |
| NNTR5013065 | 50 | 130 | 65 | 63 | 188 | 265 | 5.2 |
| NNTR5514070 | 55 | 140 | 70 | 68 | 218 | 315 | 6.4 |
Selection notice: Factory catalog data for identification. Confirm the complete -2ZL suffix, permissible outer-ring load, profile, lubrication arrangement and controlled drawing for the quoted batch.
Data sources and processing notes
- Factory NNTR / RSU series catalog - Factory catalog samples for the displayed rows.
Processed technical reference
NUKR Stud Type Track Roller Dimensions and Loads
Manufacturer-published NUKR range data covering primary dimensions, stud thread, effective radial load ratings, continuous grease speed and mass.
| Model | D mm | Stud d1 mm | Overall B mm | Ring C mm | Thread G | Crw kN | C0rw kN | nDG rpm | Mass kg |
|---|---|---|---|---|---|---|---|---|---|
| NUKR35 | 35 | 16 | 52 | 18 | M16x1.5 | 15.3 | 18.7 | 6,500 | 0.164 |
| NUKR40 | 40 | 18 | 58 | 20 | M18x1.5 | 18.7 | 24.9 | 5,500 | 0.242 |
| NUKR47 | 47 | 20 | 66 | 24 | M20x1.5 | 28.5 | 37.5 | 4,200 | 0.380 |
| NUKR52 | 52 | 20 | 66 | 24 | M20x1.5 | 29.0 | 40.5 | 4,200 | 0.450 |
| NUKR62 | 62 | 24 | 80 | 28 | M24x1.5 | 40.0 | 55.0 | 2,600 | 0.795 |
| NUKR72 | 72 | 24 | 80 | 28 | M24x1.5 | 45.0 | 65.0 | 2,100 | 1.020 |
| NUKR80 | 80 | 30 | 100 | 35 | M30x1.5 | 69.0 | 104.0 | 1,800 | 1.600 |
| NUKR90 | 90 | 30 | 100 | 35 | M30x1.5 | 78.0 | 123.0 | 1,800 | 1.960 |
Selection notice: Confirm seals, outer profile, hex, nut supply and current factory drawing before interchange. A/E suffixes may differ by execution.
Data sources and processing notes
- Factory NUKR stud track roller catalog - Factory catalog values for the displayed NUKR range.
- PTI NUKR technical sheet - External industry reference reviewed during data comparison.
Processed technical reference
KRV..-PP Full-Complement Stud Track Roller Envelope
Factory envelope table for sealed KRV full-complement stud-type cam followers. Compare with NUKR when the outside diameter and thread class appear similar.
| Model | D mm | Stud d1 mm | Overall B mm | Ring C mm | Thread G |
|---|---|---|---|---|---|
| KRV16-PP | 16 | 6 | 28 | 11 | M6x1 |
| KRV19-PP | 19 | 8 | 32 | 11 | M8x1.25 |
| KRV22-PP | 22 | 10 | 36 | 12 | M10x1 |
| KRV26-PP | 26 | 10 | 36 | 12 | M10x1 |
| KRV30-PP | 30 | 12 | 40 | 14 | M12x1.5 |
| KRV32-PP | 32 | 12 | 40 | 14 | M12x1.5 |
| KRV35-PP | 35 | 16 | 52 | 18 | M16x1.5 |
| KRV40-PP | 40 | 18 | 58 | 20 | M18x1.5 |
| KRV47-PP | 47 | 20 | 66 | 24 | M20x1.5 |
| KRV52-PP | 52 | 20 | 66 | 24 | M20x1.5 |
| KRV62-PP | 62 | 24 | 80 | 28 | M24x1.5 |
| KRV72-PP | 72 | 24 | 80 | 28 | M24x1.5 |
| KRV80-PP | 80 | 30 | 100 | 35 | M30x1.5 |
| KRV90-PP | 90 | 30 | 100 | 35 | M30x1.5 |
Selection notice: Envelope dimensions support identification. Confirm load ratings, speed limits, seals, outer profile and current factory drawing before quotation.
Data sources and processing notes
- Factory KRV model directory - Envelope pages for KRV16-PP through KRV90-PP.
- NUKR vs KRV selection guide - Selection checks before treating NUKR and KRV as interchangeable.
Processed technical reference
NUTR25 Verified Product Reference
A current primary-source example showing the dimensional and performance fields required when expanding a NUTR quotation.
| Model | d mm | D mm | B mm | C mm | Crw kN | C0rw kN | nDG rpm | Mass kg |
|---|---|---|---|---|---|---|---|---|
| NUTR25 | 25 | 52 | 25 | 24 | 29.0 | 41.5 | 4,200 | 0.279 |
Selection notice: This is one verified model example, not a complete NUTR catalogue. Confirm the optimized outer profile, labyrinth seals, inner-ring relubrication and current factory data for other sizes.
Data sources and processing notes
- Schaeffler medias NUTR25 - Primary product record used for all displayed values.
- Factory NUTR model directory - Model pages also cover NUTR30–40, NUTR45100 and NUTR50110 envelopes.
Verification
Drawings, inspection records and application evidence
Evidence is matched to the quoted product and order scope from our Changzhou manufacturing process. Batch documents are confirmed against the agreed drawing before shipment.
Technical drawings
Reference sheets support identification. Controlled manufacturing drawings require model and factory confirmation.
Inspection records
Request dimensional, marking, packing or factory-document checks with the RFQ. Availability is confirmed before order placement.
Factory and equipment media
Only dated factory media or inspection records captured for the quoted product batch are used as evidence.
Customer applications
Cases are published only with permission or in anonymized form using verified order and application facts.
Review the verification process Request product-specific documents
Model and Dimension Keywords
Frequently requested references include NNTR50X130X65-2ZL, NNTR5013065, RSU50-130, NUTR50110, NUTR2562, NUTR45100, NUKR72, NUKR90, NUKR110 and KRV35PP.
How to Specify a Track Roller
Provide mounting type, bore or stud diameter, outside diameter, width, track geometry, radial load, axial load, speed, shock level and relubrication requirement.
Compare special track rollers or send a track roller RFQ.